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 13 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

Insight
Granger: Programming languages model computer hardware rather than human processes
“We have this weird case right now where our languages, Python, pick any language, right? Is actually designed to model computer interaction, right? It's designed to model how computers work. Like, I'm gonna send TCP messages, and so on and so forth. But if you…”
Chris Granger Jan 2, 2019 ▶ 13:25 a16z Podcast | Coding as Literacy
Assertion Supported
Andreessen: Ben Silbermann said 'Lean Startup' methodology would have killed Pinterest
“Pinterest is like a great, in fact, Ben Subberman is actually on the record as saying, had I read the Lean Startup book, I never would have done Pinterest, because it took us four years to figure it, If we had, if he had known about the Lean Startup thing, he …”
Marc Andreessen Jan 2, 2019 ▶ 41:58 a16z Podcast | What Makes the Valley Work
Disclosure
Lee Fan: Pinterest tests skin tone detection for personalized visual recommendations
“We have some experiment in-house. If you take a picture of yourself, and we learn your skin tone. But by the way, we can also learn from the pins you like, and we know there's certain style, certain shape of a model you like to see.”
Lee Fan Jan 2, 2019 ▶ 14:16 a16z Podcast | Engineering Intent
Assertion Not checkable as stated
Peretti: Pinterest drives twice as much BuzzFeed traffic as Twitter
“Pinterest sends double the traffic to BuzzFeed as Twitter.”
Jonah Peretti Jan 2, 2019 ▶ 10:52 a16z Podcast | For Buzzfeed Sharing is the Metric that Matters
Assertion Not checkable as stated
Andreessen: Airbnb's Chesky and Pinterest's Silbermann are top technical founders
“Yeah, these are, you know, Ben Silverman and Brian Chesky, these guys are, like, top end technical founders in addition to being, you know, good designers, great designers.”
Marc Andreessen Jun 2, 2025 ▶ 17:55 Marc Andreessen Reveals His Biggest Wins and Mistakes at a16z
Assertion Contradicted
Jordan: Most American women have downloaded the Pinterest mobile app
“Most women in America have downloaded the Pinterest app.”
Jeff Jordan Jan 2, 2019 ▶ 1:49 a16z Podcast | The Basics of Growth 2 -- Engagement & Retention
Insight
Lee Fan: Visual discovery on Pinterest differs from Google by lacking objective right answers
“In some way, this is different from Google. There's no right or wrong.”
Lee Fan Jan 2, 2019 ▶ 4:42 a16z Podcast | Engineering Intent
Insight
Lee Fan: Computer vision progress in subjective domains is limited by data
“Right now, I will say a lot of domain is limited by the data. If you only have a limited data to teach, let's say fashion, how can we know this is a fashion that are high end and more for the runway instead of a daily? It's a lot of data because it is a subtle…”
Lee Fan Jan 2, 2019 ▶ 16:10 a16z Podcast | Engineering Intent
Prediction Not checkable as stated
Granger: Democratizing coding will shift software development away from consumer clones
“We're not gonna end up with just Airbnb clones and Pinterest clones, right, eventually we'll start to get very interesting applications that are designed, you know, I'm a biologist, I'm working on cancer, this is purely for solving, for helping me solve cancer…”
Chris Granger Jan 2, 2019 ▶ 23:49 a16z Podcast | Coding as Literacy
Insight
Jordan: US content is insufficient for Pinterest's international expansion
“Pinterest, when it goes to a new market, first of all, they figured out they need a lot of local Capitalized content to make it compelling to local users. The U.S. Corpus of images doesn't necessarily, is helpful in international markets, but isn't sufficient.”
Jeff Jordan Jan 2, 2019 ▶ 9:51 a16z Podcast | The Basics of Growth 2 -- Engagement & Retention
Assertion Not checkable as stated
Lee Fan: Pinterest trains AI to identify visual cues that make photos inspirational
“We are trained computer to learn why this image of the same living room, you take a picture of this way and that way, that looks so different. One just looks so inspirational. The other, like maybe just boring and the computer will start to learn those cues an…”
Lee Fan Jan 2, 2019 ▶ 13:30 a16z Podcast | Engineering Intent
Assertion Partly supported
Jeff Jordan: Pinterest spent two to three years finding product-market fit
“The first Ben Silverman at Pinterest, nothing happened there for two, three years. Nothing. He was just, he just kept working for product market fit, you know, with his dozens of users and then a hundred users or whatever.”
Jeff Jordan Jan 2, 2019 ▶ 16:13 a16z Podcast | Getting Network Effects
Insight
Fan: Designing with non-technical founders reveals logical gaps in engineering
“When you talk to a designer, ask questions like, wow, I never thought about this. And the process of thinking about how to answer this and discover there's some hole in my logic or discover like maybe we were to, you know, go down this path and maybe we should…”
Lee Fan Jan 2, 2019 ▶ 27:38 a16z Podcast | Engineering Intent
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