I recently went mountain biking in Bend, Oregon, which is a few hours’ drive from my house. As I usually do, I used Strava to record the ride. This was a new trail for me, and I got lost multiple times, so I also used Trailforks to figure out how to get back to my vehicle.
I’ve been thinking a lot about how services like Facebook start out helping us, but at some point the relationship shifts and we’re stuck helping them more. I don’t think Strava has gotten to a stage where the relationship is abusive, and maybe this is weird but I hope they stay too small to ever get there. Even without that shift, though, I am a little uncomfortable with our relationship.
I was standing on the trail, trying to find the right trail and idly watching a coyote search for chipmunks. As I switched between apps, I realized that I was losing a lot by recording in Strava instead of Trailforks. Or rather, I wasn’t; people who want to bike this trail in Bend were.
I log my rides (and my infrequent, hilariously slow runs) in Strava for, um, reasons. I don’t want kudos, and I don’t really look at my historical performance, although I do enjoy being able to study my rides at times. I want the data there, even if I rarely use it. And it conveniently automatically completes my daily exercise goal in Streaks. It’s kind of useful, but if it went away tomorrow, I wouldn’t miss the online component much, if at all.
If I instead recorded all of the trail rides in Trailforks, then everyone who came after me could get some value from the information provided by my ride. They could see what route I took, could likely tell based on my speed when I had to walk and when I was able to ride, and they could over time get a sense of what routes are most popular, or even what signage is confusing.
I built an open source company, so I’ve thought a lot about the worth of contributions. A developer’s time on one project can’t be spent on another. Someone who writes documentation for your baby is giving up the opportunity to contribute elsewhere. It’s a conscious choice on the part of the contributor, and a constant interaction between the project and its constituents to keep people coming back.
I think Trailforks really understands the value of my contributions: If you do this, people who ride here will have higher quality data, and probably better rides.
I am super confident that Strava knows the value of my usage: I’ll get feedback from friends and I can track my speeds and feeds. But those aren’t contributions; that’s not something I’m giving up for the greater good. It’s something I am doing for selfish reasons.
The value of my trail ride could be for the greater good, though. Even my road rides and runs could be, as they could help people find routes, but the trail rides especially seem valuable, because the downsides of being lost out there are materially worse than not having the right route for your run.
It’s clear to me that Strava is not seeing my data as a contribution. They’re focused on engagement. That’s not inherently bad - lots of people use and love the app - but it is different. I find it interesting to think of what the experience would look like if that changed.
But after that, I thought: Why can’t I just share the data with both apps?
I mean, to some extent I can. I can just run both of them and let each record its own view of the world. This is what I did with Slopes and Strava in Mammoth, taking the lifts up and riding down. That made a little more sense because neither quite has the correct view of the world - Slopes doesn’t know what bikes are, and Strava doesn’t know what lifts are. It was pretty kludgy, but more importantly, I didn’t run into this conflict because the apps exist to do pretty much the same thing, just for different sports.
I could duplicate here, I assume, but… it seems stupid.
Beyond our relationships to service providers, I’ve been thinking about what it means to own your own data. It sounds awesome, but it’s rarely very useful in practice.
It turns out, I do own the data that I have posted on Strava. Great! So I’ll just share it with Trailforks, too.
Hmm. What would that look like? Can I… download the data, and then upload it to Trailforks? Is it a common data type?
Can I record it separately on my phone and post it to both apps? Is that what truly owning my data would look like?
It’s hard to imagine that world: You use apps that generate data, which by default is yours and only yours. It gets recorded in forms that are easy to share, understand, and manage. If you like, you can then contribute that data to other sites, and in doing so, you get to negotiate with them exactly what rights you’re passing on. Either way you have the data, but now they get a copy, too. If you don’t like their offer, you still get the data, and most likely, given you have all your delicious data, other apps will crop up with a different offer, because they can focus on that rather than all the data collection.
It would look a lot like the text editor I’m using to write this article, Ulysses. It allows me to publish, but is built first and foremost to make it easy to write. Sharing, contributing, engagement, and all of the other online stuff is left to other sites, other apps, like Wordpress and Medium. And yeah, those apps do allow both writing and publishing, but it’s a horrible experience, a great way to lose data, and if you only write there then your data is stuck in their system and is pretty hard to get out in a useful way.
The world of writing looks weirdly different from the world of recording rides. And a lot worse.
I’m not in control. Legally I own the data, but, ah, I don’t have it. Strava does.
I would never write directly in Medium, so why am I logging my rides directly in Strava? What am I giving up because of it?
I’m pleased to find that Strava will allow me to give other people the data - the data that I own! - and it turns out that Trailforks knows how to slurp it out of Strava.
So it all ends well: My rides are in both locations, and every mountain bike ride I post to Strava will now be automatically imported intro Trailforks. Probably.
But for that brief moment, in Bend, while watching the coyote… I saw what it would take for me to really own my data. I liked it a lot.
I’ve always had a warm place in my heart for filesystems.
I taught myself shell scripting while automating the installation of Disksuite, Sun’s free but sadistic disk mirroring software. I barely recall the actual work, instead remembering a hallway. I undertook a literal journey to learn programming, a repeated pilgrimage to the desk of a friend who took visible pleasure in explaining to me what I was doing wrong.1 It’s fair to say that if filesystems were less painful in the 90s, I would not be where I am today.
When Sun started advertising ZFS as the (finally!) successor to Disksuite and the filesystem it was built around, UFS, most of its functionality seemed obviously good - make the computers manage the disks, don’t demand people know up front how big a filesystem should be, don’t fail miserably when the server crashes, little things like that. But what was this data integrity thing? I’m embarrassed to say it took me a while to realize I needed it - who really cares if your filesystem is good at storing data, amirite? - and even longer to understand how it worked.
To explain it, I’m going to have to teach you cryptography. Just a little. You’re welcome to skip ahead if you’ve already got this part covered, but I expect most could use a little, ah, refresher. Step 1 in cryptography guides is usually: “Get a masters in mathematics from MIT.” I’m hoping to do a bit better than that. Cryptography really is just a form of math, and while we can’t all understand the details (I certainly don’t) we can at least understand the “algorithms happen here” flow diagrams2.
Cryptography is most famous for its privacy utility: You use it to ensure you and only you can read your files and chat messages. It gets more complex once we need to read them on all of our different devices, but most of it is pretty similar in concept. Even more useful is ensuring both you and I can read some text, but no one else can. It’s more complex, but is essentially an extension of that first use.
Privacy is not the only use case for cryptography. It’s also useful for efficient validation. That is, it can be used to see if a file you have today is the same one you had yesterday. I sent you a document, you think it looks wrong; how do we make sure it did not get changed somehow in transit?
Obviously one way to do that is to just send it again. This is not a great solution, because if you did not trust it the first time, why would you trust it the second? That might also be a bad idea if bandwidth is expensive. You generally want a verification mechanism that takes less space than the original file, and less CPU power than directly comparing the two files.
Cryptography provides just such a capability, usually called a ‘hash function’. It’s an algorithm that converts, say, a large text file into a much shorter string. If you want to ensure the file is not changed in some way, just run it again and compare the output. The short strings are easier to compare than the long documents, and you could even read them over the phone to someone so they can check the file on their end. These algorithms generally produce a string of a fixed length, regardless of input - this makes them efficient for long term storage and comparison, and safe to run on any size file. Here’s an example hash from my files:
03f39f4bfad04f6f2cfe09ced161ab740094905c
As you can see, it’s just a long string of gibberish. It’s not only useful for comparison, not meaningful in it’s own right.
What’s critical about these algorithms is that given a unique input they always provide a unique output. If you and I each have a file that hashes to a given string, then we can be confident we have exactly the same file. Of course, this can’t literally be true: We could design a hash function that only had 256 possible outputs, and there are obviously more than 256 possible inputs. This would produce a lot of what are called collisions, when two files hash to the same output, and, ah, is not terribly useful.
All of the modern hash functions are incredibly long. It is possible in theory but not in practice that a collision would happen. You’d need to execute the function 2^128 times. That’s 3.4 with 38 zeros after it. So, mathematically possible, but you can expect the sun to swallow the earth before the most secure hash functions get compromised. I mean, you can’t. You’ll be gone by then. But your files will still be safe.
Now that you’re at least as much an expert on cryptography as most of the bitcoin hodlers, why does any of this matter?
We were talking about data integrity.
You’d be right to guess that ZFS uses these hash functions to provide it. It goes further than just validating individual files. A little bit of cryptographic genius called a Merkle tree is the key. These don’t just hash the content on disk for later validation; they build a tree of hashes, where the leaf nodes are hashed by the nodes above them in the tree, which are themselves hashed by the root node. If any part of this system is corrupted - because the disk is broken, or someone changed the content some other way - it’s easy to detect. It’s not just that the individual hash will be different; remember each parent hashes all of its children, so now the parent is wrong. And its parent is wrong, too.
If the content is changed by any mechanism that does not also also update the Merkle tree, then it is easy to detect by rehashing all of the content and comparing the results to the stored tree.
This is how ZFS validates data integrity. It can write a block to disk, then pull the block and ensure it still matches the hash. When it writes a block, it updates the parallel tree, and when you ask for the block later, it can tell you if the block is still correct. If it’s not, it throws an error instead of handing it back to you.
When I first learned of this, it seemed overkill, but over time I remembered just how many ways there are for data to get corrupted. The most obvious one is someone changes it for nefarious reasons, but far more commonly you have a failure somewhere in the writing or reading process. The old spinning disks were error-prone, and the new SSD drives degrade eventually. It’s the complexity of reading and writing that really gets you, though: There are multiple layers of caches, drivers, and connections, any of which could introduce corruption.
For the first time on a normal production system, you could at least detect any of those problems. It’s too bad no one ever used it.3
I know, I know, you came to hear about how you could get all the awesomeness of blockchain without using the blockchain and instead I’m giving lessons on two things you could literally not care less about, cryptography and filesystems. Don’t worry. It gets worse from here.
Long after I learned about and promptly forgot ZFS (after all, it’s not like I was using it), I adopted Git. It’s a version control system, used for storing and managing source code. Every geek knows about it, but most of the world only recently learned of it when Microsoft bought Github for $7.5B with a ‘b’. I was an early adopter, switching Puppet to Git in 20084. Eventually I even learned how it works. I was titillated and a bit horrified that I had duplicated in Puppet one of the key features that made Git work: A system of storing files that allowed them to be looked up by their content (or rather, a hash of their content). Normally you store files by a name, but if lots of people (or, in Puppet’s case, computers) store the same file, they might not call it the same thing, so Git and Puppet instead stored them by their hash. This ensured we never backed up more than one copy of a file, saving a lot of space, and made it easy to check for changes in files.
For Puppet, we just used this to back up files we changed, in case people later wanted to revert.
Git did a lot more than that.
Like ZFS, it builds a Merkle tree of the entire file repository, with a similar goal: To understand what files have changed and how. After all, git is used to track and share changes to a collection of files. The sharing is a critical component; you can easily copy an entire git repository to another computer, or another person, and it’s important that they be able to confirm that they have a faithful copy.
Git stores the hash tree alongside all of the files. At any point, you can use the tree to validate every file in your tree. If there are changes (which is pretty much the whole point of a version control system), it can automatically store the new files and update the related tree.
Just like ZFS, one of the key features here is that the Merkle tree allows us to validate every file stored. We can walk the file tree and compare each file to its hash, and then compare the file listing to its own hash, all the way up. Any discrepancy is easily spotted.
This is my favorite kind of cleverness: It’s simple in implementation, yet makes Git more flexible and useful. It has power that other version control systems are missing, just because it relies on this basic mechanism for storage and validation.
It would be easy to see the blockchain as a sudden revolution, a dramatic change in what’s possible. Viewed this way, it’s hard to separate the pieces from the whole. If all you see is the big picture, it’s easy not to notice that every individual component has its own history, its own value.
The blockchain was gradual, for both me and the industry. It was not one giant leap forward. It was part of a story, a sequence, and the most interesting aspect - Merkle trees - is decades old in math and now pushing decades old even in popular usage. Most of the interesting features touted in the blockchain come directly from them. Immutability (which isn’t) and trustless systems derive directly.
It’s worth understanding that history, to see which stages and steps apply to problems you have. The current cryptocurrency tech stack is built to solve problems I don’t think exist. Certainly they aren’t problems I have.
Unlike the blockchain as a whole, though, the individual technical components have been used for years, even decades, in production. Focusing on the current trend can blind you to the opportunity history demonstrates. I think you’re a lot more likely to find broadly applicable solutions there than in trying to replace currency.
Because I got here from the world of filesystems and version control, I see different benefits than you might if you approach thinking of currencies or exchanges. Or chat messages. That does not make me right or wrong, but it does, at least, mean we’re going to work on different problems.
I expect most of you think this is boring. That’s great. It will give me that much more time to build something.
My brightest memory is learning that of course the ’echo’ command resets the exit code variable. This was a critical early lesson in how your own debugging can dramatically change the behavior of a program. ↩
When people talk about the futility of trying to ban cryptography, this is what they mean: You can’t ban math. ↩
Yes, I know some people use and love ZFS. But never to the extent it should be. ↩
Resulting in one of our critical community members abandoning Puppet in protest, for some reason. ↩
I am a tool junkie. I love the effortless balance of a well-known chef’s knife, like my hands know what to do all on their own. Heavy usage builds callouses and tunes muscles, its usefulness evidenced by scuff marks and changed infrastructure. Failure leaves blisters or even hospital visits in its wake.
A good tool proves its utility. Knives slowly shrink with sharpening, work pants thin, machines need oil. If they don’t, you’re either not maintaining your tools, or barely using them.
This wear is proof of your usage. They should be scratched. Dented. Aged. Patinas should be acquired from the shop, not factory treatments. Their callouses should pair yours. Tools can not be precious. They’ll just live on a shelf, then retire to your attic. You should seek that perfect middle ground, where you spend enough money that your kids can inherit them, but not so much that you are squeamish about giving them a job.
Tools only deserve the label if they help you work.
You might say I have strong feelings about them. I’m assuming this love led to my focus as a software entrepreneur on helping people people work. Or maybe my experience with tools in the physical world led me to seek them in the digital world, learning to make what I could not buy.
Given my tool fetish, you’d think I’d have a solid grasp of what I mean when I use the word. Apparently, not so much. I was recently pulled up short by a simple question, asked by Jordan Hayles of the Radical Brand Lab: What do you mean by tools?
What do you mean, what do I mean? It’s a simple question, right? The above text gives one example, but I would have thought I could answer it in a bunch of reasonable ways, none of which seem terribly controversial.
But the more I explored, the less simple the question became.
I’ve been describing my goal as building power tools for people. This phrase comes from my time building houses with my dad, and ‘power tools’ just meant the things you plugged in. You know? Because they needed power? It’s a common usage, maybe the word choice here did not mean much.
Except… I’ve spent more than a decade learning product management, describing myself as a product-oriented founder, managing that function in a growing company, and attempting to teach it to others. Yet here I am ignoring both the term and the field entirely. Why am I so quickly dumping my work of the last ten years? Is it just creative branding? Cynicism about my industry?
Why not power products? That’s a motor boat of alliteration: ‘power products for people.’ Awesome, right?
Ok, maybe not.
Product management as we know it began in the consumer goods industry. You’re handed a train car full of dish soap and told to sell it. You’ve got to package it, set pricing, convince a local store to carry it, argue with them about location, move it away from competitors, all that. Every product you see in your local grocery store is loved by a product manager who fights for its shelf space, believes it is beautiful, and wants you to give it a good home.
Tide soap is one of the most commonly stolen consumer goods, but not because it’s soap. The strong brand makes it easy to resell, even allowing it to be used as a stand-in for money in drug deals. I wish I was that good at product management. For all that, it says nothing about the soap.
Product management can also be used for evil. Laser printers had toner cartridges you could just refill. Not very clean, but cheap and reliable to run once you plonked down the cash for the expensive printer. Modern inkjet printers instead use disposable cartridges. To sustain profit margins in a rapidly commoditizing industry, manufacturers started putting rules in place on the cartridges: You had to buy them from the manufacturer, they had to be replaced every year, you could not refill them, you could not print in black and white if any color cartridges are empty.
The user was getting hurt so the vendor could make more money. People got pissed of enough that the US Supreme Court weighed in.
That’s good product management. Well, it’s evil, but you know what I mean. It’s effective. We’re talking big-B revenue effective. Hmm. A moral distinction begins to reveal itself.
These are examples of companies forcing their business model onto their customers. There’s no difference between the dish soap sold at retail and the one sold in bulk, yet they’re separate products, differentiated through packaging, shipping needs, and labeling. You pay much more for the retail package than the wholesale one, primarily because the business model behind them is so different.
But when I think of a tool, these complications are missing. When I use a hammer, it just has to fit my hand and smash stuff. When I pick up my drill, it works with every bit I own, regardless of the logo. The battery and charger are proprietary, but the vendor’s most visible role in my life is color choice. My yellow drill works just fine with bits from the blue or green companies. (You probably visualized brands by my just mentioning colors. That’s still effective here.) It does not matter whether I bought the drill from Home Depot or inherited it from my dad; once in my hands, it just works.
I think this begins to answer the question of what a tool is.
It helps you do your job, without your worrying about the vendor’s needs.
I know that DeWalt and Mikita need to make money to sell me a drill, but I don’t think about it when I’m using their tools. Even after more than two decades without one, I can comfortably recite that “my” hammer is the Estwing 22oz waffle head with a straight claw1, but none of those details mean I need the vendor’s permission to hit a nail with it. I make a decision about the right tool, I buy it, I use it. End of story.
It is small. If you call something a tool, not a product, you’re saying it’s less, it’s not as complete a solution. This can be belittling, insulting, but it does not have to be. It’s also a statement of independence. Of freedom. Of, and this is going to sound crazy, compatibility.
Products have an implicit, ongoing dependence on their vendor. If that’s me, I love it: I want you to pay me all the time, not just once. That ongoing relationship is how I afford to keep improving what I’ve built for you. This can be a great way to ensure we have a long-term, sustainable partnership. But it’s not always a healthy relationship. The more you have to deal with how I make money, the worse the experience is for you.
I think this is what I like about tools. They’re self-contained. Independent. Using them is fundamentally pragmatic, not a lifetime commitment.
That independence has downsides for me as a vendor. You don’t get any of those delicious growth-hacker buzzwords. Your product isn’t “sticky”, there’s no “moat.” Those are examples of my customers being constrained by my business model, and their absence means revenue is harder to build, to protect.
One might argue I’m better off because treating my customers with more respect makes a better business in the long term, and I’d probably agree. This kind of respectful partnership should deliver higher returns than one that traps and mistreats its customers. I think this is often the right answer, but it’s not a popular one. It’s harder to get funding, to get off the ground. I might be accused of not “wanting to build a real company,” or I might have Silicon Valley’s most dire insult hurled at me: “That’s just a lifestyle business”.
Tell that to Adobe. Or AutoDesk. These are great tools companies. They are the behemoths we know today because they knuckled down and solved their customers’ problems. They worried about that, rather than how they could extract maximum revenue over time. It was a different time, but people have not changed.
I don’t think that every product is compromised when the vendor’s needs show up in the customer’s life, but I think most are. Some of it is laziness, shoring up product limitations with business model innovations, but a lot of it is strategy, recognizing the value of painting your customer into a corner.
Honestly, some of it is just survival. A lot of those inkjet printers are unaffordably cheap, but buyers care only about cost, not value. Some markets are intrinsically dysfunctional, with users and vendors slowly killing each through bad deals and cynical behavior. But as a vendor, I get to make a choice about what markets to play in, and how to work with my customers.
I am a simple person with a simple dream: I want to build something that helps someone work. I have to make money while doing it, because that’s the nature of the job, but I’m more interested in my customers’ work than my own. I know I need a business model, a go-to-market strategy, a plan for growing and supporting my business. But my customers should not need to care about that, should they? If they like what I’m building, they should be able to buy it, and use it. And tell all their friends how great it is. They should not wake up one day to find they’ve accidentally gotten married to me.
I just want to build tools. And I’m proud of it.
We told with great pleasure the (most likely apocryphal) story that this hammer was illegal in Florida because the metal haft could cut your thumb off. ↩
People are very excited about the blockchain, convinced it’s going going to replace cash, or gold, or credit cards, or even the internet. I’ve even read claims that it’s the most important invention since little things like money and democracy. Starving through a failed attempt at utopia has taught me to align with the skeptics who point to the lack of proven use cases (other than fraud and crime), and with the pranksters who make fun of the claims of salvation.
The world of the blockchain is in a state of flux. This is normal for movements, and especially so for the definitions of words to be shifting quickly. I experienced this directly as Puppet was helping to create the DevOps space. Today, when we say ‘blockchain’ we mean a specific set of features provided by the code underlying Bitcoin; some might add the requirement for smart contracts, as added by Etherium.
This definition won’t last.
I think that when we look up in five years, the word will mean something quite different. As the conversation inevitably shifts from hype about its universal applicability to finding practical use cases, I am convinced the term ‘blockchain’ will invert from its maximalist form, including all possible features, to a much more minimal form, defining a base set of functionality that is suitable to solving far more problems. Different implementations will layer features onto that base set, but all of these derivatives will be called ‘blockchain’ (which will soon have purists crying we’re not using the “real” blockchain).
It’s that base set of functionality that I’m interested in. I’m hoping the world’s excitement over the complete package can turn into momentum around a more flexible solution. What can we take away, and what can we do once we strip things down?
Let’s start with the most obvious thing we don’t need: Lack of trust. Free markets are built on trust, so it’s silly to try to build one that doesn’t. I just don’t run into many problems that can only be solved if I never trust anyone. Even writing that out makes me cringe.
I’m interested in power tools, user productivity, and helping teams, which inherently means I’m interested in people who know and trust each other. That isn’t to say data validation and simple synchronization are never helpful, but trust between people is not a problem. So take out that whole part of the story.
Next up is consensus. Let’s be honest: You don’t really want the world to have access to most of your data. And most of you who do, well, it probably doesn’t want to see it. This solution for deciding whose copy of data is right? I don’t need it.
That isn’t to say there aren’t important consensus problems; it’s just that the blockchain’s version of them is not useful to me. I do actually struggle with managing conflicts in my own work. I’m writing this essay on one of the six devices I regularly work from, and I obviously want it to transparently synchronize between the rest. I can dream about never having conflicts, but in the real world I need a simple way to handle them when they happen. That’s my consensus algorithm. If I use the Blockchain’s, then one chunk of work wins and the rest of the work gets thrown away. That might work well in some environments, but is obviously a non-starter for my personal work. Instead, I need an algorithm that gives me control over managing my own work streams.
I expect a blockchain hodler would flip at calling this a “consensus algorithm”. It’s not. It’s more like a tool for managing merge conflicts. If you buy into the blockchain, you’ve added a ton of complexity that can and should be handled by a person.
It’s not a big leap from managing conflicts between one person’s devices to managing conflicts within a team. This is still an important problem, one wrestled with by anyone building online collaboration tools, but requires nothing like the level of infrastructure built into the blockchain. After all, I trust myself. I trust my team. I like to be able to verify, but I’m more worried about mistakes and data loss than I am about intentional subversion of the system. And actually, the current solution is horrible for teams. It’s one thing for someone else’s work to cause yours to sit in a queue for a bit, it’s another thing entirely to have your code thrown away because someone is in front of you.
Taking out the trust-less consensus allows us to remove the worst part of bitcoin: Proof of work. This is how parties in a blockchain transaction fight to have their work accepted and others’ rejected. If they win, they are rewarded with a token, which is how they’re “paid” for their work.
We don’t need any of that.
We’ve already established we don’t need an automated, trustless process for deciding who gets to update the database (and we’ve concluded we don’t want conflicting just thrown away). As a result, this whole mechanism can just be removed. Good thing, too, because bitcoin is in the process of consuming all of the world’s natural resources in the name of never trusting anyone. This also simplifies the problem of scaling these databases. Bitcoin is stupid slow because its proof of work system is stupid slow. Remove that, and any iPhone can trivially record new data as fast as you want.
Now that we don’t need proof of work, we also don’t need, surprise!, the currency itself. In a trustless system, tokens are used to compensate the networks recording the transactions. This is now so cheap we don’t need to reward people to do it.
There you go. Now you’ve got the blockchain, except without cryptocurrencies, trustless transactions, consensus algorithms, or proof of work.
The blockchain without blockchain.
It’s important to note: It’s not that I think none of these features are ever useful in any case. It’s that none of them are necessary to get the most important features out of the blockchain, and each of them should only ever be added to a system if they’re truly needed. In most cases, YAGNI.
What can we do now? Well, obviously, now that we’ve removed so much functionality we can do a lot more. General purpose languages are more powerful than specialized ones, and a more flexible database is a more powerful one. The current set of blockchain features can really only be used for a narrow set of use cases, and even those seem to be more theoretical than actual.
What’s left?
A database. That’s what the blockchain always was anyway. It’s built on Merkle trees, which means you can validate every change back to initialization if necessary. This makes it kind of trustless: I can validate your work, rather than just trusting your word of what you did. This ability actually encourages me to trust you more with my data, though.
Check back later for more about what I mean.
This article is the first in a series of indefinite length. I’ll explore the consequences of this stripping away. I will also address some of the potential I see for full current blockchain feature set. I look forward to approaching this topic from a different direction.
I don’t know what the rest of the world thinks when they use the phrase ‘power tool’, but for me it’s visceral, literal. My experiences using them and watching them transform my family’s work permeated my time building Puppet. These power tools aren’t little plugins to expensive frameworks, they’re large capital investments that dramatically change your job.
I grew up building houses with my dad. The worst task he gave me was trying to paint a set of louvre doors for a closet while in high school; I had to flip the doors over every 90 seconds to catch drips getting through the slats. After three days of misery, my father relented and rented a paint sprayer, with which we finished the job the same day, at a much higher quality.
Around the same time, my dad would rent a pneumatic nailer for big framing jobs. By the time I finished college a few years later, that critical tool went from borrowed to owned and traveled everywhere with him. Initially used only for large jobs, most contractors now have multiple nail guns to cover framing, trim, and every other use case, and the air compressor needed to power it is as important as electricity.
It might not be obvious, but both of these are examples of automation. You replaced a very manual process - applying paint, or nailing things together - with a machine. If this were a factory, these days you’d call those machines robots, but because it’s a construction site, we just call them tools.
And these tools were expensive. Even with how much faster we finished that painting job, I expect it cost more to rent the sprayer than to finish the work manually, because of how little he was paying me. (This does ignore the soft costs of listening to me complain, which were likely high.) Even today paint sprayers and nail guns are often rented rather than purchased, because good ones cost a lot of money and aren’t needed all the time.
It’s no surprise that discussions of tools and productivity are easier to understand from my experience as a carpenter than as a sysadmin. There’s plenty of room for arguments about what is or is not a software power tool, but when it costs more than a week’s wages, it trails a bright orange cord everywhere it goes, and it can nail your hand to the wall while you’re standing at the top of a ladder1? It’s a power tool.
There’s a common story about what robots and automation do to people like my dad (and both of my brothers, who followed in his footsteps): It steals their jobs and ruins their lives.
What utter poppycock.
If you think of your job as driving metal spikes into wood, then a nail gun is a mortal threat. But if this is your value add, your biggest danger was never automation. My dad never sold his ability to join raw materials together quickly; he sold homes, he sold the opportunity to enjoy your house and family more. How did these new power tools affect that?
They were awesome. Painting and nailing are classic examples of menial, low-value work, and yet we spent most of our time on them. All of the differentiation we offered to our customers was packed into a narrow slice of work, because implementation took so much time and money. As we were able to bring more powerful tools to bear, the menial work shrank and larger portions of our time could be spent on design work, customer interaction, and tuning our customers’ homes.
Interestingly, my father’s next career step was even more pointedly about experiences enabled by tooling. He took a job with a state hospital in Tennessee, fabricating custom furniture for severely disabled patients. Suddenly he was using industrial sewing machines for upholstery, and partnering with medical professionals to design multiple beds for each patient, enabling them to be happier and more comfortable (and also avoid bed sores, thus saving hundreds of thousands of dollars per patient). Given the tragically minimal budget allocation for this kind of work, every dollar saved through automation and tooling directly delivered health and happiness to his patients.
It’s no wonder I see the value in power tools, that I am more conscious of the benefit they can deliver than the loss of low-value menial work.
I had a similar experience as I was building Puppet. I would meet executives and salespeople (I don’t know why it was always them) who would say, “Oh, automation? Great, you can fire sysadmins!” No. Beyond the obvious reality that I was selling directly to my users, who would never buy on the promise to fire their coworkers, that was just not why we were valuable.
Puppet gave people a choice between lowering cost but keeping the current service quality, or keeping your costs flat while providing a much better service. “Wait, making things better is an option? I didn’t know that!” Most companies were aware that their IT sucked, but they only knew how to measure and manage cost, so that’s what they did. Once you believed in the power to make things better, power tools turned out to be great investments for both the user and the buyer.
By letting people spend more time on the parts of their work they enjoyed, the work that makes them special, we also delivered higher quality experiences for their customers and constituents. “Spend less time firefighting and doing menial work, and more time shipping great software.” If the heart of your skillset is clicking buttons or responding to outages, Puppet might have been a threat to you, but our users knew where their real value was. We helped them spend more time there and less time on the boring, low value stuff. The sysadmins hated the work, the customers hated to need it, and the executives hated paying for it. Great, done, don’t worry about it.
That’s partially why productivity has stagnated2. The world has not changed that much - some of the greatest improvements to productivity come from making large capital investments in tooling for your workers - but how we spend our money has. People balk at a $5k computer, when the Mac IIci would cost more than $13k in today’s dollars just for the hardware, yet was a powerhouse in desktop publishing. This is to say nothing of how the mobile app stores have driven down what people are willing to spend on software.
Yes, Adobe’s software is expensive, but it’s that price because it delivers so much value. If it didn’t, no one would buy it. Every large market should be so lucky as to have the collection of power tools that graphic designers get. It sounds crazy, but we’re suffering from not enough expensive software. Instead of building the most powerful software possible and finding customers who see its value, companies are building the simplest thing they can and trying to get everyone to use it.
There are bright spots in the industry, like Airtable and Superhuman. I’m hoping they help to shift momentum back to automating away the tedious work and enabling focus on what humans excel at.
More powerful tools improve your life, but they also make you happier even if you can’t buy them. They tantalize you, promising you great returns, if only you can come up with the cash. And they’re maybe just a little bit scary, warning you that buying them is not enough. You must master them.
A friend of ours managed to do this when working alone in the time before cell phones. ↩
Yes, I might be being simplistic to make a point. ↩
I’m a tech founder and recovering SysAdmin. I helped found DevOps and grew up in open source. These days I am convalescing from a decade of physical and mental neglect while running Puppet.
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