Find & validate your idea

What founders use for find & validate your idea, ranked by how many answers lean on it.

1. This is the book length version of the exact instinct in our short answer, that you generate real insight by living in the... Mike Maples Jr. and Peter Ziebelman (patternbreakers.com) Book · ~304 pages Pattern Breakers: Why Some Start-Ups Change the Future Mike Maples Jr. and Peter Ziebelman In 7 answers
2. Dixon argues that the hobbies smart engineers pour weekends into today become mainstream work in ten years, because engineers... cdixon.org (Chris Dixon) Essay · ~4 min read What the Smartest People Do on the Weekend Is What Everyone Else Will Do During the Week in Ten Years Chris Dixon In 7 answers
3. The nuanced counterweight: PMF isn't a single binary moment, it can be lost, and 'market' is doing more work than founders... a16z.com Article · ~20 min read 12 Things About Product-Market Fit Andreessen Horowitz (a16z) In 6 answers
4. Twenty founders describe the pivotal moments on their path to fit, and a recurring theme is why the right founder for the right... First Round Review Article · ~25 min read The Only Way to Win: Advice for Founders From Founders First Round Review In 6 answers
5. This is the essay that forces the honest question underneath your idea: are you building a growth company or a good small... Paul Graham Essay · ~20 min read Startup = Growth Paul Graham In 6 answers
6. If you are selling to companies rather than consumers, this is the specific playbook. Four concrete ways founders got signal... Lenny's Newsletter Article · ~12 min read How to Validate Your B2B Startup Idea Lenny Rachitsky In 6 answers
7. Savoia, who led early Google AdWords, argues most ideas fail because nobody wanted them, and teaches pretotyping: cheap... Alberto Savoia Book · ~250 pages The Right It: Why So Many Ideas Fail and How to Make Sure Yours Succeed Alberto Savoia In 6 answers
8. If your idea feels unglamorous or annoyingly hard, this essay explains why that can be a good sign rather than a reason to drop... paulgraham.com Essay · about 10 min read Schlep Blindness Paul Graham In 6 answers
9. A step-by-step guide to running discovery when you have almost no data, aimed squarely at first-time founders. It is practical... First Round Review Article · 15 min read A Founder's Guide for Successful Early-Stage Customer Discovery Jeanette Mellinger In 6 answers
10. Shah argues that to make people switch from what they already use, you need a large jump in perceived efficiency, not a... SeedToScale (Accel India) Article · ~10 min read Kunal Shah's Delta 4 Theory of Successful Startups Kunal Shah In 6 answers
11. The standard modern playbook for keeping discovery continuous so roadmap decisions stay grounded in real customer input, not... Product Talk Book · ~240 pages Continuous Discovery Habits Teresa Torres In 5 answers
12. Seibel's whole point is that a market only counts once real customers are grabbing the product as fast as you can make it and... Michael Seibel (Y Combinator) Essay · ~4 min read The Real Product Market Fit Michael Seibel In 5 answers
13. This is the clearest argument we know for reframing the whole early-vs-late question: it says being first or being a fast... NFX Essay · ~15 min read Why Startup Timing Is Everything Pete Flint In 5 answers
14. This is the classic mental model for exactly your question: how customer count trades off against deal size. Janz maps five... The Angel VC Essay · ~12 min read Five ways to build a $100 million business Christoph Janz In 5 answers
15. This is the canonical argument that you do not need a mass market to build something real, you need a small number of people... The Technium (kk.org) Essay · ~15 min read 1,000 True Fans Kevin Kelly In 5 answers
16. The whole worry in your question, that slicing smaller leaves too few buyers, is exactly what Moore's target customer... HarperBusiness (Collins Business Essentials) Book · Approx. 256 pages Crossing the Chasm, 3rd Edition Geoffrey A. Moore In 5 answers
17. The idea that started the lean movement, from the person who coined it. No business plan survives first contact with customers,... steveblank.com Article · ~8 min read Get Out of the Building Steve Blank In 5 answers
18. Consumer PMF advice does not map cleanly onto B2B, where deals are few, considered, and slow, which describes many Indian... Lenny's Newsletter Article · ~3,000 words A guide for finding product-market fit in B2B Lenny Rachitsky In 5 answers
19. A free, short predecessor to The Right It for when you want the method without buying a book. It lays out cheap experiments... pretotyping.org Book · ~90 pages Pretotype It (free PDF) Alberto Savoia In 5 answers
20. A well organized menu of twelve concrete approaches drawn from real founders, useful when you want structured prompts without... First Round Review (review.firstround.com) Article · ~20 min read 12 Frameworks for Finding Startup Ideas First Round Review In 5 answers
21. A clean definition of the three market layers with the key distinction spelled out: TAM is the whole opportunity, SAM is what... Forum Ventures Article Market Sizing for Startups: TAM, SAM, SOM Explained Forum Ventures In 5 answers
22. Andreessen's 2011 essay is a masterclass in spotting a durable secular shift early and betting on it before it is obvious to... Andreessen Horowitz Essay Why Software Is Eating the World Marc Andreessen In 5 answers
23. A short, practical field guide to customer discovery: who to talk to, how to find them, and how many. Pairs perfectly with The... talkingtohumans.com Book · ~80 pages (free PDF available) Talking to Humans Giff Constable In 4 answers
24. The primary-source telling of the milkshake story, the single most memorable illustration of Jobs to Be Done, straight from... HBS Working Knowledge Article · ~8 min read Clay Christensen's Milkshake Marketing Clayton Christensen (via Harvard Business School) In 4 answers

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