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.

clear all ✕

why aren't all 130 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 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

Assertion Supported
Kreps: Amazon built Kinesis to imitate Kafka before monetizing the open-source
“Amazon had a system that was actually built in, I believe imitation of Kafka called Kinesis. So it was incompatible, but kind of looked roughly like it. And that was popular. And we were like, oh man, that's going to take the opportunity. And if it doesn't, Th…”
Jay Kreps Mar 26, 2026 ▶ 37:51 How to build a company when you’re not an optimist | Jay Kreps (Co-founder and CEO, Confluent)
Assertion Supported
Younis: Levels.fyi shows startups paying higher compensation than Google or Facebook
“You, like, you can just look on levels, FYI, you get paid more to go to a startup than you do at Google or Facebook, and those companies generate billions in cash flow a month.”
Qasar Younis Aug 1, 2025 ▶ 45:17 Inside the ex-YC partner’s $15B self driving car company | Qasar Younis
Assertion Supported
ClassDojo raised a Series C at year seven with zero revenue
“We got to seven years in, and we were 30 people, and we'd done the Series C at 30 people, right with zero dollars of revenue.”
Sam Chaudhary Sep 3, 2025 ▶ 44:42 Starting an education giant in a “bad market” | ClassDojo’s story | Sam Chaudhary (Co-founder & CEO)
Assertion Supported
Akhund: Mercury Had More Total Customers Than SVB at Collapse
“We were actually like bigger than SVB at that point in terms of number of customers, because SVB was really focused on like venture-backed startups, whereas we had like a broader set of SMBs”
Imad Akhund Aug 6, 2025 ▶ 57:13 Ignoring Silicon Valley advice to build a $3B fintech unicorn (Mercury)
Assertion Supported
Guild: Most restaurant discovery happens on Google, not DoorDash or Uber Eats
“It's still not DoorDash or Uber Eats. The vast majority of restaurant discovery still happens on Google, but that was especially true eight years ago.”
Adam Guild Mar 27, 2025 ▶ 25:29 Scrappy tactics and a huge post-COVID pivot | Adam Guild (Co-founder and CEO of Owner)
Assertion Supported
Stripe's internal culture doc was eviscerated on Hacker News
“There was some controversial, controversial, there was some stuff in there that was basically just like, you got to be willing to work really hard to actually, you know, be successful here long term. Oh my gosh, it was so controversial when it came out on Hack…”
Eeke de Milliano Mar 6, 2025 ▶ 15:20 What makes (or breaks) executive hires | A deep dive with Eeke de Milliano (Stripe)
Assertion Supported
A Negative WSJ Article Forced LiveRamp's Pivot to Product-Market Fit
“We ended up having this Wall Street Journal article come out about the company that was really negative about the practices that we were using around data collection on the internet. So we ended up having to really shut that down and pivot to a totally differe…”
Anneka Gupta Oct 10, 2024 ▶ 5:16 Shifting Career Altitudes: Insights from a CPO That's Led Nearly Every Function | Anneka Gupta
Assertion Supported
Schillace: Physicians paired with AI diagnostic tools perform worse than AI alone
“There's a study I saw a while ago that compared like an AI based system, AI only physician only and AI plus physician An AI plus physician did worse than AI only. The physician kind of dragged the AI down because they didn't trust it.”
Sam Schillace Jun 6, 2024 ▶ 1:02:16 Developing technical taste: A guide for next-gen engineers | Sam Schillace (Microsoft, Google Docs)
Assertion Supported
Winters: The pandemic permanently fixed DoorDash's unit economics by eliminating latency
“Then the pandemic hits and all the unit economics of DoorDash flipped positive because everyone's all of a sudden ordering online and all the drivers are much more busy, which means all the latency in the model that was creating the losses went away.”
Casey Winters May 30, 2024 ▶ 27:16 How to build and scale winning marketplaces | Casey Winters (Eventbrite, Pinterest, Grubhub)
Assertion Supported
Mark Zuckerberg once argued having multiple online identities was intellectually dishonest
“Mark Zuckerberg was very adamant for a while that in the future there would be one profile online. There was a point where he thought it was almost intellectually dishonest to represent yourself in different ways online.”
Adam Nash Apr 4, 2024 ▶ 23:41 Building products that delight customers | Adam Nash (Daffy, Wealthfront, LinkedIn, eBay, Apple)
Assertion Supported
Siroker: Rewind stores data locally and Rewind has no access to it
“They just passively capture everything in a privacy sensitive way. It's stored locally. We don't have access to it. Only you have access to it.”
Dan Siroker Sep 14, 2023 ▶ 6:31 AI Hot Takes and Unusual Twitter Fundraising Strategies with Dan Siroker (Rewind AI)
Assertion Supported
Noronha: Gamma has over 100 million registered user signups
“We have more than a hundred million users who've signed up for our product”
Jon Noronha Jul 24, 2026 ▶ 15:21 How Gamma pulled off their AI pivot | Jon Noronha (Co-founder and CPO of Gamma)
Assertion Supported
Sager: Plaid signed hundreds of AI firms including OpenAI, Perplexity, and Replit
“Now we've had, you know, hundreds of AI companies signing up and we just announced, you know, OpenAI, we announced Perplexity, we announced Replit.”
Eric Sager Jul 16, 2026 ▶ 25:43 Why great leaders make themselves obsolete | Eric Sager (COO, Plaid)
Assertion Supported
Copplestone: Supabase developer growth accelerates off a 7-8M user base
“And then phase three is largely from January this year, the likes of Cloud Code and Codex and everything that are just ramping up really, really fast. And these are the tools that are using more of the CLI MCP type workload, and we're seeing huge adoption from…”
Paul Copplestone Jun 25, 2026 ▶ 29:35 The egoless culture that built Supabase | Paul Copplestone (Co-founder, CEO)
Assertion Supported
Hirshberg: Cybersecurity startups typically spend one to two years in stealth
“Typically, companies stay about a year to two years in stealth.”
Shachar Hirshberg Apr 21, 2026 ▶ 35:40 Inside Artemis' "AI vs AI" war | Shachar Hirshberg & Dan Shiebler (Co-founders, Artemis)
Assertion Supported
Payne: DoorDash was running out of money and couldn't raise in 2017
“There were periods where DoorDash was running out of money and couldn't raise money in 17”
Christopher Payne Apr 17, 2026 ▶ 55:16 Scaling DoorDash to market dominance | Christopher Payne (Former COO, DoorDash)
Assertion Supported
Varanasi: Cisco built its hardware stack via acquisitions, unlike Meter
“So if you look at our industry, Cisco has a rack like ours where they have, you know, 10 different pieces of hardware. But majority of that was done through acquisition. So they bought their switching business called Crescendo in the nineties, et cetera, Merak…”
Anil Varanasi Dec 10, 2025 ▶ 6:58 Building Meter for decades, not an exit | Anil Varanasi (Co-founder and CEO)
Assertion Supported
Varanasi: Academic RCTs prove management directly drives superior factory outcomes
“We have really great RCTs and A-B tests essentially of same problem, same factories, half management, half without management, and outcomes being entirely different.”
Anil Varanasi Dec 10, 2025 ▶ 58:16 Building Meter for decades, not an exit | Anil Varanasi (Co-founder and CEO)
Assertion Supported
fal hosts around 600 models compared to under 10 at AI labs
“So the number of models they have to host is like less than 10. And for us, it's like around 600, which is, complicates things like a lot.”
Gorkem Yurtseven Oct 22, 2025 ▶ 31:08 The pivot that paid off: How fal found explosive growth | Gorkem Yurtseven (Co-founder and CTO)
Assertion Supported
Chaudhary: Most EdTech companies remain small and fail to scale
“Most education companies basically just like remain small businesses. Yeah. They never reach billions of people. They never reach tens of billions in revenue. They never reach hundreds of billions in market cap.”
Sam Chaudhary Sep 3, 2025 ▶ 2:57 Starting an education giant in a “bad market” | ClassDojo’s story | Sam Chaudhary (Co-founder & CEO)
Assertion Supported
Canva has grown to 230 million monthly active users
“Going from zero to two hundred and thirty million people that now use Canva every single month.”
Cameron Adams Aug 20, 2025 ▶ 10:35 How Canva leveraged unconventional growth levers to grow to $42B | Cameron Adams (Co-founder & CPO)
Assertion Supported
Canva intentionally never built an in-platform community forum for its users
“So we've never built like a community, like a forum. We don't have this spot on Canva where people come to talk about design. We've fostered community where it arises.”
Cameron Adams Aug 20, 2025 ▶ 41:45 How Canva leveraged unconventional growth levers to grow to $42B | Cameron Adams (Co-founder & CPO)
Assertion Supported
Adams: Canva's top five markets are US, Brazil, Indonesia, India, Philippines
“Our top five markets now are the US, Brazil, Indonesia, India, and the Philippines.”
Cameron Adams Aug 20, 2025 ▶ 46:30 How Canva leveraged unconventional growth levers to grow to $42B | Cameron Adams (Co-founder & CPO)
Assertion Supported
Younis: Apple spent tens of billions trying to build a car
“You take Apple, Apple spent tens of billions of dollars trying to build a car. You never even saw the design of it because this whole misunderstanding of how this business works with these costs, these vertical costs are just so high.”
Qasar Younis Aug 1, 2025 ▶ 30:14 Inside the ex-YC partner’s $15B self driving car company | Qasar Younis
Assertion Supported
Delivery apps charge restaurants 30% and consumers 20% on average per order
“It's not just 30% that these delivery apps take from the restaurant. It's also 20% on average that they're charging the consumer.”
Adam Guild Mar 27, 2025 ▶ 42:43 Scrappy tactics and a huge post-COVID pivot | Adam Guild (Co-founder and CEO of Owner)
Assertion Supported
De Milliano: Stripe nearly rejected Claire Hughes Johnson when hiring at 150 employees
“Claire joined Stripe when we were around a 150 people, and we were very, very close to organ rejection.”
Eeke de Milliano Mar 6, 2025 ▶ 17:42 What makes (or breaks) executive hires | A deep dive with Eeke de Milliano (Stripe)
Assertion Supported
Busque: 65% to 70% of 401(k) participants don't know they pay fees
“It's like, 65, 70% of people don't understand they're paying asset-based fees in their for one K. No idea.”
Kevin Busque Feb 20, 2025 ▶ 16:53 Inside Guideline's mission to modernize 401(k)s | Kevin Busque (Co-founder and CEO)
Assertion Supported
Busque: Guideline services nearly 60,000 businesses with 400 employees
“We're 400 people at guideline, but we service almost 60,000 small businesses at this point.”
Kevin Busque Feb 20, 2025 ▶ 33:23 Inside Guideline's mission to modernize 401(k)s | Kevin Busque (Co-founder and CEO)
Assertion Supported
Busque: Guideline manages nearly $17 billion in assets
“So we managed almost seventeen billion dollars in assets now.”
Kevin Busque Feb 20, 2025 ▶ 1:01:33 Inside Guideline's mission to modernize 401(k)s | Kevin Busque (Co-founder and CEO)
Assertion Supported
Magnuson: WeWork ran out of money building its Meatpacking location
“It was down in the meatpacking district. It was the early days of WeWork and they actually ran out of money while they were building it.”
Bill Magnuson Feb 6, 2025 ▶ 27:12 Inside Braze’s blitz to $500M in CARR | Building broad, going global, and outfoxing the competition
Assertion Supported
Anand: Clay pioneered usage-based pricing in sales tech in 2022
“We were a usage-based pricing model in twenty-twenty-two. At the time, it was fairly controversial because everything in sales tech was per seat. Now it's obviously changed with AI, so it's changed. But I think we were at the vanguard of that.”
Varun Anand Jan 23, 2025 ▶ 17:24 Clay's unconventional path to $1.25B: Rethinking GTM, pricing, and enterprise sales | Varun Anand
Assertion Supported
Dylan Field mapped Design Twitter to seed Figma with top influencers
“And so he actually visualized Design Twitter into this graph And figured out the nodes that were the largest of, okay, who's following who, and then went to them and showed Figma, got their feedback, kept going back to them, not trying to sell them it, but jus…”
Yuhki Yamashita Dec 5, 2024 ▶ 3:57 How Figma taps into taste, simplicity, and storytelling | Yuhki Yamashita (CPO)
Assertion Supported
LiveRamp scaled from $30M to over $200M ARR between 2014 and 2017
“When we were acquired, we were thirty million ARR. In 2017, we crossed two hundred million ARR on the backs of getting these Fortune 500 customers from Axiom, and then being able to use those success stories to sell to other large brands.”
Anneka Gupta Oct 10, 2024 ▶ 29:56 Shifting Career Altitudes: Insights from a CPO That's Led Nearly Every Function | Anneka Gupta
Assertion Supported
Moore: RJMetrics alumni later founded prominent data companies dbt, Stitch, and Omni
“The three co-founders of DBT all worked at RJ Metrics. The founders of Stitch, myself and Jake, which became the early competitor to Fivetran and played in that space. Omni, which is a hot new ticket in the BI space, their founding CTO, Chris Merrick, was our …”
Bob Moore Sep 19, 2024 ▶ 23:44 How to find — and keep — product-market fit | Bob Moore (Crossbeam, RJMetrics, Stitch Data)
Assertion Supported
Moore: Crossbeam raised $100M and rival Reveal raised $50M during ZIRP
“Where we had raised, you know, a hundred million dollars from Andreessen Horowitz and others during the Zerp era, they raised fifty million dollars from Insight Partners and others during the Zerp era.”
Bob Moore Sep 19, 2024 ▶ 1:08:27 How to find — and keep — product-market fit | Bob Moore (Crossbeam, RJMetrics, Stitch Data)
Assertion Supported
Muthukumar: ChatGPT has over 100 million weekly active users
“And in ChatGPT, we see more than a hundred million active users on a weekly basis.”
Krithika Muthukumar Aug 1, 2024 ▶ 47:46 Inside marketing at Stripe, OpenAI and Retool | Krithika Muthukumar (VP of Marketing at OpenAI)
Assertion Supported
Wealthfront pioneered automated ETF tax-loss harvesting and launched direct indexing in 2013
“Wealthfront was the first to do ETF tax loss harvesting automated. And then we did direct indexing. Direct indexing is so hot right now in the industry. It's 20, 24. Direct indexing is so hot. We launched it the end of 2013, my first year there, because it was…”
Adam Nash Apr 4, 2024 ▶ 42:30 Building products that delight customers | Adam Nash (Daffy, Wealthfront, LinkedIn, eBay, Apple)
Assertion Supported
Adding donation presets in multiples of 18 increased median Jewish donations 80%
“The reason I got written up in the New York Times is it turned out that one little feature actually moved our median donation to Jewish charities by 80%. It increased it. That median donation went from a hundred dollars to one 80.”
Adam Nash Apr 4, 2024 ▶ 1:12:55 Building products that delight customers | Adam Nash (Daffy, Wealthfront, LinkedIn, eBay, Apple)
Assertion Supported
Berner: Snowflake ships its customer success motion to the sales team
“Sometimes even in those cases, you don't really need a lot from a CSM, like a success motion, and sometimes that success motion gets, gets shipped over to the sales team. Sometimes I've seen that happen, and sometimes that works, like that's how Snowflake does…”
Stephanie Berner Feb 1, 2024 ▶ 55:27 A customer success masterclass | How to build and scale a CS org | Stephanie Berner (LinkedIn)
Assertion Supported
Amin: Clay grew from ~120 to ~1,000 customers over the year
“Yeah, I mean, we've grown from maybe a 120 customers at the beginning of the year to we should end the year at around a thousand.”
Kareem Amin Jan 18, 2024 ▶ 37:03 A product-market-fit masterclass | Kareem Amin (Clay)
Assertion Supported
OpenAI built the ChatGPT web interface using the Next.js framework
“ChatGPT itself is built on Next.js.”
Guillermo Rauch Nov 2, 2023 ▶ 37:11 How Vercel found extreme product-market fit by focusing on simplification | Guillermo Rauch (CEO)
Assertion Supported
Zapier only ever raised a $1.3 million seed round
“We raised the 1.3 million seed round. That's all we raised.”
Wade Foster Oct 5, 2023 ▶ 35:46 Contrarian takes on growth, hiring, and fundraising | Wade Foster (Co-founder & CEO at Zapier)
Assertion Supported
Siroker: Rewind records user activity and stores all data locally
“Rewind is a truly personalized AI. So it captures everything you see, say, and hear, stores it all locally on your devices.”
Dan Siroker Sep 14, 2023 ▶ 4:16 AI Hot Takes and Unusual Twitter Fundraising Strategies with Dan Siroker (Rewind AI)
Assertion Supported
Elliott-McCrea: Tech employee tenure averaged 18 months over the past decade
“For the last decade, you know, average tenure has been about 18 months in these kind of companies that we're talking about, which means it's very hard to actually build an experiment with culture in the way that we were for a while.”
Kellan Elliott-McCrea Aug 17, 2023 ▶ 17:17 How to supercharge your engineering org | Kellan Elliott-McCrea (Adobe, Dropbox)
Assertion Supported
Weiss: Slack reached $80M-$90M ARR before hiring a sales head
“I think we got to, I want to say, 80 or ninety million dollars in ARR before we hired a head of sales.”
Noah Desai Weiss Jul 13, 2023 ▶ 57:55 Lessons from Slack on decision making, product-led growth, and taking big swings | Noah Desai Weiss
Assertion Supported
Parikh: Facebook scaled deployment from daily to continuous release cadence
“When I was at Facebook, when I joined, we did, which was like, really fast at the time. We used to ship The main core of Facebook once a day, and it was like a Herculean effort that, you know, most of the time went okay, but sometimes it didn't go okay, and, b…”
Jay Parikh Aug 27, 2026 ▶ 18:35 The most expensive mistake in outsourcing your tech stack | Jay Parikh (EVP CoreAI, Microsoft)
Assertion Supported
Copplestone: Supabase originated from the tech stack built for Nimbus
“I built Nimbus with the same tech stack and that tech stack now is what is super base.”
Paul Copplestone Jun 25, 2026 ▶ 4:38 The egoless culture that built Supabase | Paul Copplestone (Co-founder, CEO)
Assertion Supported
Copplestone: Supabase now serves eight million developers
“We could just kind of push things out and people would adopt them and we didn't have to worry about, you know, eight million developers trying something out on day one now.”
Paul Copplestone Jun 25, 2026 ▶ 20:01 The egoless culture that built Supabase | Paul Copplestone (Co-founder, CEO)
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