Slack

24 statements across 18 episodes · 14 bullish · 2 bearish · 16 people on the record · first statement Jul 1, 2017 by Juan Benet · said 121 times in 50 episodes since 2017 · across every show →

Mentions by year

brought up most by Mike Knoop (19), Kevin Hale (7), Boris Cherny (7), Mathilde Collin (6), Geoff Ralston (6), Calvin French-Owen (6), Camille Ricketts (5), Wade Foster (4)

tap a year for its mentions
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05102017201820192020202120222023202420252026episodes it came up in
00254102017201820192020202120222023202420252026episodesmentions per episode
2026 20 mentions in 7 episodes 3 per episode
2025 14 mentions in 10 episodes 1 per episode
2024 2 mentions in 1 episode
2023 1 mention in 1 episode
2022 10 mentions in 6 episodes 2 per episode
2019 36 mentions in 9 episodes 4 per episode
2018 20 mentions in 9 episodes 2 per episode
2017 18 mentions in 7 episodes 3 per episode

every mention, scene by scene, with the transcript →

Everything said about Slack, oldest first

Jul 1, 2017 negative
Insight
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…”
Juan Benet Jul 1, 2017 ▶ 2:05:57 IPFS, CoinList, and the Filecoin ICO with Juan Benet and Dalton Caldwell · Y Combinator
Oct 4, 2017 bullish
Prediction Not checkable as stated
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…”
Ryan Hoover Oct 4, 2017 ▶ 19:15 Communicate with Users, Build Something They Want - Ryan Hoover of Product Hunt · Y Combinator
Oct 13, 2017 positive
Disclosure
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.”
Camille Ricketts Oct 13, 2017 ▶ 9:14 Content Marketing Tips from Experts at First Round Capital and Andreessen Horowitz · Y Combinator
Sep 12, 2018 positive
Assertion Not checkable as stated
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…”
Suhail Doshi Sep 12, 2018 ▶ 37:59 Suhail Doshi - How to Measure Your Product · Y Combinator
Oct 3, 2018 neutral
Opinion
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…”
Mathilde Collin Oct 3, 2018 ▶ 38:11 Mathilde Collin on Feature Prioritization and Employee Retention at Front · Y Combinator
Oct 3, 2018
Disclosure
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.”
Mathilde Collin Oct 3, 2018 ▶ 21:34 Mathilde Collin on Feature Prioritization and Employee Retention at Front · Y Combinator
Oct 24, 2018
Assertion Not checkable as stated
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…”
Mathilde Collin Oct 24, 2018 ▶ 51:41 After PMF: People, Customers, Sales by Mathilde Collin · Y Combinator
Mar 6, 2019 positive
Insight
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 …”
Mike Knoop Mar 6, 2019 ▶ 27:09 Mike Knoop on Product and Design Processes for Remote Teams with Kevin Hale · Y Combinator
Mar 6, 2019 positive
Disclosure
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…”
Mike Knoop Mar 6, 2019 ▶ 39:53 Mike Knoop on Product and Design Processes for Remote Teams with Kevin Hale · Y Combinator
Mar 6, 2019 positive
Insight
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 …”
Mike Knoop Mar 6, 2019 ▶ 46:30 Mike Knoop on Product and Design Processes for Remote Teams with Kevin Hale · Y Combinator
Mar 6, 2019 neutral
Disclosure
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…”
Mike Knoop Mar 6, 2019 ▶ 29:33 Mike Knoop on Product and Design Processes for Remote Teams with Kevin Hale · Y Combinator
Jul 10, 2019 positive
Disclosure
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.”
Sarah Nahm Jul 10, 2019 ▶ 42:42 Startup Hiring Advice from Lever CEO Sarah Nahm with Holly Liu · Y Combinator
Dec 4, 2019 negative
Assertion Not checkable as stated
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.”
Matt Cutts Dec 4, 2019 ▶ 29:06 Matt Cutts on the US Digital Service and Working at Google for 17 Years · Y Combinator
Dec 1, 2022 positive
Assertion Not checkable as stated
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.”
Gustaf Alströmer Dec 1, 2022 ▶ 4:03 How To Talk To Users | Startup School · Y Combinator
Dec 1, 2022 positive
Assertion Not checkable as stated
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.”
Gustaf Alströmer Dec 1, 2022 ▶ 15:58 How To Talk To Users | Startup School · Y Combinator
Oct 16, 2024 positive
Assertion Supported
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.”
Katie Dill Oct 16, 2024 ▶ 20:45 Why Design Matters: Lessons from Stripe, Lyft and Airbnb · Y Combinator
Jan 31, 2025 bullish
Opinion
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.”
Bob McGrew Jan 31, 2025 ▶ 19:12 Bob McGrew: AI Agents And The Path To AGI · Y Combinator
Jul 25, 2025
Insight
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…”
Karri Saarinen Jul 25, 2025 ▶ 2:58 Brand Design Tips From Linear Founder Karri Saarinen · Y Combinator
Dec 3, 2025 neutral
Insight
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…”
Spencer Skates Dec 3, 2025 ▶ 32:41 How Amplitude Went From Skeptics to “All In” on AI · Y Combinator
Feb 6, 2026 neutral
Opinion
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.”
Calvin French-Owen Feb 6, 2026 ▶ 31:27 We're All Addicted To Claude Code · Y Combinator
Feb 17, 2026 positive
Assertion Not checkable as stated
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…”
Boris Cherny Feb 17, 2026 ▶ 28:25 Inside Claude Code With Its Creator Boris Cherny · Y Combinator
Jun 10, 2026 positive
Insight
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…”
Pedro Franceschi Jun 10, 2026 ▶ 12:31 The Most AI-Pilled CEO We Know · Y Combinator
Jul 27, 2026 positive
Disclosure
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…”
Boris Cherny Jul 27, 2026 ▶ 28:12 Boris Cherny: We Cut 80% of Claude Code’s Prompt · Y Combinator
Jul 27, 2026 neutral
Assertion Not checkable as stated
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.”
Boris Cherny Jul 27, 2026 ▶ 22:48 Boris Cherny: We Cut 80% of Claude Code’s Prompt · Y Combinator
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