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How to Find Product Market Fit - Stanford CS183F: Startup School

10 videos recommended on HN
YouTube
4 HN users recommended this lecture3 months2018–2024 score 4
Years with an HN recommendation, 2007–2026

HN founders recommend it as a must-watch on recognizing real product-market fit and avoiding solutions in search of problems.

Segment co-founder and CEO Peter Reinhardt recounts how his company found product-market fit, including how a product grew out of a small feature of another. It is a lecture from Stanford's Startup School course.

“Peter Reinhardt from Segment has a must-watch talk for anyone interested in this topic” (HN, 2024)

2 strong recommendations · 2 recommendations · 2 citations · Lectures · intro

6 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@dawie Apr 2018 Strongly recommends
on HN thread Ask HN: My startup has basically failed. What now?
You and your team should watch this 3 times right now: [this video] It’s about finding product market fit after a few different products. It talks about how their new successful product (150 staff) is a small feature from one of their other products and how they scaled that! Do it!
How a new product grew from a small feature of another.
@ed Aug 2024 Strongly recommends
on HN thread Superhuman built an engine to find product market fit (2018)
Having followed this exact playbook to validate several products I can confidently say this will give you false positives and the only reliable way to determine when you have PMF is: accidentally get PMF on something so that you know what it feels like (it’s unmistakeable). Peter Reinhardt from Segment has a must-watch talk for anyone interested in this topic [this video]
Segment founder's talk on recognizing real product-market fit
@hhw3h Apr 2018 Recommends
on HN thread Ask HN: My startup has basically failed. What now?
Jason Lemkin recommends giving it 24 months to start a B2B SaaS. B2B SaaS is a long road despite the big splashes sometimes seen like Slack or Intercom. [link] Also watch the CEO of Segment talk about their journey to product market fit. [this video]
Segment CEO on their journey to product market fit.

Citations, criticism and jokes

@Jugurtha Jun 2020 Cites it
on HN thread Ask HN: List of open-source business models?
Read more
There's also the "open-core model"[^1]. From the Wikipedia description: > The open-core model is a business model for the monetization of commercially produced open-source software. Coined by Andrew Lampitt in 2008,[1] the open-core model primarily involves offering a "core" or feature-limited version of a software product as free and open-source software, while offering "commercial" versions or add-ons as proprietary software.[2][3] Here's GitLab's CEO[^2] talking about "Offering an on-prem / self-managed version of your software" [^3] Here's a timestamped video titled "E05 Pioneering version control for data science with Pachyderm co-founder and CEO Joe Doliner" [^4], where Pachyderm's CEO[^5] addresses the business model. Here's a timestamped video, titled "How to Find Product Market Fit" , of Peter Reinhardt[^6], where he answers the question of "why would someone pay anything for an open source library that's 580 lines of code.."[^7]. There's a blog post detailing this, too[^8]. There are several degrees of what is open-source and what is not, and different ways to build a business around that. [^1]: [link] [^2]: [link] [^3]: [link] [^4]: [link] [^5]: [link] [^6]: [link] [^7]: [this video] [^8]: [link]
Segment CEO on why anyone pays for a tiny open source library.
@kristiandupont Feb 2021 Cites it
on HN thread How to Get Startup Ideas
The first approach sounds solid but it's the kind of thinking that very easily leads you towards building a solution looking for a problem. See Peter Reinhardts talk about product/market fit: [this video]
Cautions against building solutions looking for a problem

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

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