The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 189 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 1 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable
Caldwell: Every modern startup idea has a 1990s dot-com analog
“Every idea that you see today has some analog from the nineties.”
Caldwell: Brian Armstrong's original Coinbase YC pitch wasn't about buying Bitcoin
“Another thing I want to note is even Brian and his YC application Didn't really believe in his own idea because what he basically applied to YC with was the P to P transfer parts. It wasn't buying Bitcoin and holding it. It was the idea that he could build som…”
Caldwell: Investor hype is not predictive of startup success; retention and revenue are
“Excitement around the core product or feeling like other investors are excited about it and things like that definitely give a founder, like yourself, tons of leverage. But that I actually have learned to not take that too seriously as an investor, as a signal…”
Caldwell: Holding a dot-com peak portfolio long-term still yielded decent returns
“If you would have held and you had a decent portfolio, then you actually, even if you were the dumbest money at the top of the market, you would have done okay.”
Caldwell: Most startups fail from lack of demand, not unscalable architecture
“The biggest problem that most startups have is they can't get users, and they're not making something people want. Not that their architecture is not scalable enough.”
Caldwell: YC Applicants Often Pitch Big-Company Decks With Zero Traction
“An example that I notice a lot in a YC interview is They want to present a PowerPoint deck or a slide deck. And the way they describe the company is the way you would describe a very large company. But then when you're like, well, do you have any customers? No…”
Caldwell: Founders avoid launching because they fear capping out at $50M ARR
“We see this a lot where there's companies that find real problems and something they're experts in, but they are facing crippling anxiety that it's not venture scale. Again, they might be right, but they're so obsessed with this way of thinking that, oh, what …”
Caldwell: Startup Investing Experience Does Not Make Acquiring First Customers Easier
“No matter what I know from investing in startups, that does not mean getting first customers is going to be easy for me or for Michael or for anyone. It is freaking hard. And this zero to one is always the trap.”
Caldwell: Founders Should Launch Quickly Because First Launches Usually Fail
“This is the, this is one of the reasons we usually advise to launch quickly. Is so you get this hard medicine quickly. That your first launch is probably not going to work and no one's going to want your thing.”
Caldwell: Macro Experience Does Not Help Founders Master Micro Execution
“You've got to be great at micro to get something off the ground. Great. And no amount of macro experience helps you be good at micro.”
Caldwell: Early-stage founders must unlearn corporate skills and spreadsheet modeling
“All, you know, all the Excel spreadsheet modeling you learn as an investment banker. That's great. Just turn that off though. Like unlearn that doesn't serve you now. And embrace the beginner's mind. To get your startup off the ground.”
Caldwell: Deep user engagement reveals AI opportunities better than market analysis
“Basically if you spend time, a ton of time with trucking companies, you are likely to have a whole different perspective here on how AI could solve problems in trucking, but you have to go really deep and spend time with them versus sitting, you know, in your …”
Caldwell: Founders reaching $20M–$40M ARR rarely run out of growth ideas
“It's so rare in this job where we see a company that gets to 20,000,030 1,000,040 million in annual revenue, and the founder has no idea on how to grow it. They're out of ideas. I'm not going to say that never happens, but it's extremely rare.”
Giving up after contacting 25 customers is laughably low effort
“Trying to contact 25 people and be like, well, I guess we're done. I guess no one wants it. Is so low effort. As to be funny to us.”
The primary customer a pivoting founder must convince is themselves
“The metaphor I sometimes like to tell people when they're pivoting is the most important customer is yourself. And the founder psychology thing you want to do is build conviction in your own mind that this thing is worth working on. And so it's not to make inv…”
Founders fail when they choose ideas by triangulating others' opinions
“When you spend all your time trying to triangulate what other people say is good, and that's how you decide what startup idea to work on. You're gonna have a bad time.”
Raising money will not solve problems for founders with low conviction
“When you're low conviction, money ain't gonna, no, money's not your problem.”
Founders must use their own products before trying to sell them
“You should at least be able to use your own tool. And be proud to use it or feel like it's providing some value, the V in the V, it's viable for you. And if you can't even get your, you can't bring yourself to use your own product. It's a little weird to be tr…”
Caldwell: Major Technological Shifts Only Become Obvious Decades Later
“The reason to enumerate this stuff is that in the moment when all this stuff was happening, it wasn't immediately obvious that the world was changing. It was just kind of normal, like, oh, this new thing came out. Oh, that's cool. And even at the time, some of…”
Caldwell: Space launch costs are falling along a Moore's Law curve
“The cost per pound to put something in space, and it looks like Moore's law, where what's happening is that there's this Moore's law looking graph on how cheap How much cheaper it is getting to put something into orbit.”
Caldwell: Political tribalism causes people to dismiss technological progress
“I think when you're really caught up in the moment, everything gets polarized into political stuff or tribal warfare about who's on what team, and so if it's, if your team is the thing pushing for the thing, you celebrate it, but if the other team is, you know…”
Caldwell: Whataboutism allows critics to tear down any technological progress
“If you want to tear down anything interesting that happens, By saying, well, X over here isn't solved yet, it's easy to just get trapped in the mud.”
Caldwell: Optimism is more fruitful than cynicism for builders
“If you're actually building things and you want to be a part of creating it. It's much easier and more fruitful to be optimistic and think about all the things you can do and think about what you personally can do and what you can work on. Versus just being li…”
Caldwell: Aspiring founders negotiate against themselves instead of pitching top engineers
“Basically folks put up the barriers. To negotiate against themselves. Right out of the gate.”
Caldwell: Top engineers refuse to be worker bees for idea guys
“What often happens, again, to go deep on this, is that the way they'll pitch the person is they'll pitch them their idea. They'll be like, I'm an idea guy. I've got a great idea. Do you want to be my, like, worker bee to go do all my ideas? And of course the p…”
Caldwell says exploited founders in YC applications are usually technical people.
“So this comes up a lot for us at YC where we read a lot of applications and we interview a lot of companies and we see folks where it's pretty clear what's going on. We can see it a mile away in the application that someone is getting exploited or ripped off a…”
Caldwell notes Y Combinator explicitly recommends equal equity splits for startup co-founders.
“Something like equal equity is pretty common for startups that apply to YC, and it's something we recommend.”
Caldwell says early technical employees doing co-founder work get hosed with 1%.
“Well, the early employee notoriously kind of gets hosed on this stuff, especially if they're providing the work of an equal technical co-founder, yet they get one percent or less of the company. Again, this is very common where you'll have two business founder…”
Caldwell warns excluding engineers from business meetings clearly signals exploitation.
“If you're trying to self-diagnose, am I being exploited as an engineer, as a technical person, is the whole point that the business people have a lot of meetings that you're not invited to, and all decisions about everything are made by the business people, an…”
Caldwell notes technical founders notice failure first by reading the analytics.
“Well, and you're the technical person, so you notice the first. The funniest thing is this one of the technical person who does all the work is the one actually reading the analytics and like, hey, like, this, our launch bombed. What's the plan in the business…”
Caldwell notes unequal founder equity splits are easily fixed when directly challenged.
“We see this with equity splits because often sometimes it'll just be, Hey, have you all thought about maybe like, or how did you come up with the equity splits? Like, well, it's, you know, 9010. Well, why? Well, it's my idea. Well, you know, most of the work i…”
Caldwell warns agreeable and nice technical founders get ripped off the most.
“And if you're a really nice person, those are the people that tend to get ripped off the most.”
Caldwell: Founders get Bay Area network effects without living downtown
“We get the benefits of living in the Bay Area and having the network effects of the city. Without all living in, like, the, like, our lives are not the Twitter thread. Showing photos of what's going on in downtown San Francisco.”
Caldwell: 2000s founders were told to copy Google's office culture exactly
“There was arguments that copying down to the T every aspect of the Google office culture was key to building a successful startup.”
Caldwell: Founders were told to follow Facebook's playbook for every business
“Following the Facebook playbook was what was right for every business, no matter what type of business.”
Caldwell: Pre-Google conventional wisdom wrongly treated search as a commodity
“I think that the conventional wisdom pre-Google was that search was a commodity, and that Yahoo was good enough, and that incremental engineering breakthroughs in search wouldn't matter, and Google disproved that where it was actually a hard technical problem,…”
Caldwell: Founders flamed out by blindly copying WeWork and Zume Pizza
“Well, again, just to be super concrete, how many people do we see that were influenced by WeWork and building WeWork for X? And their entire strategy was based on WeWork. We saw the same thing. Zoom pizza. Like robotic pizza making. And so you'd see these thin…”
Caldwell: Founders can enter YC without quitting jobs or writing code
“If you look at the history of great YC companies that have gotten in, many of them pivoted after they got in, and so if that's not too early, I don't know what is. Many folks haven't quit their job. They get into YC. They haven't written any code. There's hone…”
Caldwell: Non-tech businesses lacking programming or biotech should not apply to YC
“If your business is not a technology startup, say it's more of a traditional business where there's no technical component, there's no programming, there's no biotechnology. That's probably a good reason not to apply. That's not really our sweet spot.”
Caldwell: Treating YC interviews as adversarial is founders' biggest preparation mistake
“Probably the biggest mistake I see in folks preparing for their YC interview is to treat it like an adversarial process.”
Caldwell: Addressing YC rejection feedback in future applications is heavily weighted favorably
“Internalizing this feedback And demonstrating that you've addressed it in a future application is heavily weighted in your favor.”
Caldwell: Great founders often built non-commercial side projects in high school
“Like one of the things I noticed at YC is a lot of the folks that later on become great founders. They worked on projects in high school that may not be commercially, like, venture-funded companies, but they were, like, pretty cool.”
Caldwell: Do not debate founders' plans, help them prepare for the downside
“The key in this hard, hard conversation is not to debate someone that their plan is bad. Keep the optimism, you know, but isn't it better to sort of have a plan for the worst and not be surprised on the downside?”
Blue-chip corporate job seekers are now flocking to tech startups
“The kind of people that would have gone into very
Blue chip kind of jobs are entering tech and startups that would not be caught dead doing in the past.”
Post-crash tech attracted genuine computer enthusiasts, not profit-seekers
“Like it was pretty much people that just liked computers would be my assessment had nothing to do with financial. Seeking financial gains. Cause again, if you do that, you do management consulting, you do, there's a bunch of other options. And so it was kind o…”
Obsession with startup drama and personalities signals that a founder is conformist
“It's just a sign of what you're focused on. And so when folks are really involved in the scene, in the drama, in the characters and are obsessed with the startup scene as opposed to their own thing and solving customer problems. That's usually a sign of like c…”
Revenue is the only way to keep score in startups
“Like the only way that you can keep score is like revenue for my startup. And if it gets big, there's no other way to keep score than that.”
Caldwell: Founders invent fake metrics to avoid measuring whether products work
“The actual meaning of the metric, which is to capture if it's working or not. You know, it's like every, every which way people are so creative in finding ways to like, not actually measure the thing that they know they're supposed to be measuring.”