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 24 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
Cherny: Anthropic uses Claude routines to maintain its own apps via Slack
“We actually have Cloud maintaining itself now. And the way we do this is we have a Slack channel where we just had Cloud start a bunch of different routines to maintain its own code base. And we actually do this for the CLI, for the iOS app, for the Android ap…”
Mathilde Collin: Slack cannot replace email for external business communication
“Now, in a work environment I feel like email, the protocol is actually perfect because it's the only protocol that you can use to communicate with people outside your company. And so even if you have great tools like Slack that enable you to Slack in, to messa…”
Cherny: Claude autonomously created a Slack channel to live-blog task progress
“And actually in this case, Quad also decided to live blog it. So what it did is it created a Slack channel internally, and it started just posting screenshots every few minutes of its progress.”
Claude Code autonomously messages Anthropic engineers on Slack via git blame
“A really common pattern is I ask claw to build something. It'll look in the code base. It'll see some engineer touch something in the git flame and then it'll message that engineer on Slack. Just like asking a clarifying question. And then once it gets the ans…”
French-Owen: Slack restricted API access to prevent third-party agentic exfiltration
“Like I think Slack locked down their API a little bit because they didn't want people just exfiltrating everything from Slack and then building agentic experiences on top of it.”
Franceschi: Non-Technical Teams Want Virtual Coworkers, Not Standalone Chatbots
“Because I think what people really want is in my opinion, is really a way of saying, okay, this is actually a virtual employee almost that has, you know, it's on Slack. It has an email. I can actually invite it to me. You can join a meeting, take notes. And yo…”
Skates: Multi-stakeholder products inherently require an active sales motion
“There are some products that you can adopt without selling and that like people just, you know, they have single player mode, you know, cursors, a great example. Slack's a great example. But there's some where you need to convince multiple people at the same t…”
Saarinen: Early startups should use narrow category terms, not vague visions
“In the very beginning, what you're trying to sell is you try to find someone to actually use your product and like just understand what it is. So what we did here was that we wanted to put the issue tracking. We knew that that wasn't the, like, Long-term visio…”
McGrew: Highly personalized workplace AI assistants are a market hole
“I think this is actually a real hole in the market because that's not something I can go out and purchase today.”
Cutts: USDS took four years to get permission to use Slack
“So it took us Four years to get access to Slack, for example get permission to be able to use Slack, at least within our particular group.”
Knoop: Switch to video when Slack says 'several people are typing'
“If you, like, one of the things I tell a lot of our teammates, if you see that, that's probably a really good signal that you should be, like, jumping on a video call at that point. Instead of wasting, or not wasting, but instead of spending, you know, 10 man …”
Knoop: Zapier disables Slack notices and actively encourages employees to leave channels
“And very early on, we set the expectation that Slack is not a tool you're expected to keep up with in Zapier. You are free to leave channels. In fact, we encourage it. Kevin Hale: That is fascinating. Mike Knoop: There's a feature in Slack where you can turn o…”
Knoop: In-person retreats build interpersonal empathy necessary for text-heavy remote teams
“Even though we're a hundred percent remote, there is still a lot of value for getting in person.
and we don't like discount that.
you get to build a lot of empathy.
You get to build relationship with folks and it allows you to kind of be, assume best intent …”
Knoop: Zapier requires employees to acknowledge direct Slack tags within 24 hours
“In Slack, if you tag somebody in a message, like, at tag them specifically, it's kind of the social norm to be, to acknowledge that within 24 hours. So we have some expectations like that, and the reason we have said 24 hours is because we have folks all acros…”
Front CEO Mathilde Collin logs out of all work apps every weekend
“I log out of every app Slack front every weekend, and anytime I'm on PTO, I don't have any notifications, so I'm never distracted by, ah, by work.”
Hoover: Tech will see more distributed teams driven by Slack and Zoom
“I believe we'll see more and more distributed teams, more remote workers. It's sort of this movement towards that direction. And I think more people will be willing to build teams like that because it's easier to work remotely with Slack and like various video…”
Benet: Routing local collaboration through remote data centers is flawed architecture
“You could have a room full of people with laptops open on Slack or on a Google Doc, and they can't work together because their supercomputers, which again, like, let's be clear here, like, these computers are more powerful than, like, all of the computers on t…”
Stripe prototyped Workbench using near-weekly feedback from Slack and Notion
“We worked with Slack and Notion on, you know, how to make that product Better every day. And so we are doing prototyping and iterating and they are giving us feedback almost on a weekly basis.”
LinkedIn, Reddit, and Discord are top channels for finding early users
“When asking YC founders how they found their early users, some of the most common answers were LinkedIn, Reddit forums, Slack or Discord communities, and sometimes in-person events.”
Many YC startups create Slack or WhatsApp groups for their customers
“One common idea that a lot of YC companies are using is to create a Slack instance or a WhatsApp group for, with their customers.”
Nahm: Lever built a Slack bot to enforce equitable dish duty
“We built a Slack bot that assigned a rotational dish duty, and it would just tell you in the morning, today's your dish duty day, and then we just, like, made it completely equitable.”
Front acquired its first 3,000 private beta signups via content marketing
“So it was only content marketing. So I was doing an email product, and I was writing all these blog posts about is email dead, as Slack is saying, or like all kinds of things that I think people were curious to hear about, or what will email look like 20 years…”
Mixpanel and Slack both converted 4-5% of landing page visits to signups
“Going from like a visit to a signup, like I think like a four to five percent conversion rate is pretty good. I think I like swap notes with Stuart at Slack cause we kind of had similar landing pages. I think I asked him, you know, what was your conversion rat…”
Ricketts: First Round pings Slack when accounts with 10k+ followers tweet
“We even have some mechanisms set up on Slack where if anyone that has over 10,000 followers tweets about a piece of our content, we get an alert. So that we can keep tabs on how many influencers in the space are engaging with and sharing.”