Find & validate your idea

Find a problem worth solving, then prove people want it before you build.

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

  1. A VC view of what founder-market fit actually is and how it compounds into hiring, networks, and credibility over time. It... Foundation Capital Article · 12 min read Founder-Market Fit: Knowing Yourself Leads to Success Foundation Capital
  2. A short written recap of the Zetwerk founder's take on earning fit in Indian manufacturing, if you prefer reading to listening.... YourStory Article · 6 min read Zetwerk's Amrit Acharya on the Importance of Founder-Market Fit YourStory
  3. A longer companion that treats the repeat-founder path as its own discipline. It is useful precisely because it separates what... NFX Article The Second Time Founders Manual James Currier
  4. A clear-eyed look at how prior experience actually shapes the odds, including where it helps and where it misleads. It is worth... The VC Corner Article The Second-Time Founder Effect: How Experience Shapes Startup Success Ruben Dominguez
  5. This summarizes the landmark study on whether past success predicts future success. The honest data: previously successful... Harvard Business School Working Knowledge Article The Success of Persistent Entrepreneurs Paul Gompers et al.
  6. Torenberg gives you a blunt litmus test for whether your advantage is real: if there is a step-by-step playbook, or thousands... Erik Torenberg's Substack Essay · 8 min read Build Personal Moats Erik Torenberg
  7. The honest counterpoint you should read before deciding. This large study finds that, on average, older founders have higher... Azoulay, Jones, Kim, Miranda (NBER Working Paper) Article · Research paper Age and High-Growth Entrepreneurship Pierre Azoulay et al.
  8. The practical guide to telling real fit apart from polite interest, which is the exact skill a first-time student founder... First Round Review Article · 15 min read How to Measure Product Market Fit First Round Review
  9. Yin invests at the earliest stage and writes bluntly about what makes her back a team that bigger funds pass on. Her tactical... elizabethyin.com Article · collection Tactical Fundraising (Fundraising Essays) Elizabeth Yin
  10. A named advisor from deep in the industry vouching for you is one of the fastest ways to borrow credibility you have not earned... Silicon Valley Bank Article · 10 min read Building Your Startup Advisory Board Silicon Valley Bank
  11. Graham noticed the founders who succeed are the ones who respond fast and act on feedback, and that investors read this... paulgraham.com Essay · 6 min read A Word to the Resourceful Paul Graham
  12. This is the origin of the adoption curve: innovators and early adopters take up a new thing long before the majority, and they... Wikipedia (Everett Rogers) Article · 15 min read Diffusion of Innovations: the technology adoption curve Everett Rogers
  13. Wei shows how to find the hidden ceilings that will stall a product, by studying who quietly falls out at the top of the funnel... Eugene Wei (Remains of the Day) Essay · 25 min read Invisible Asymptotes Eugene Wei
  14. This is the clearest explainer of the single most useful test in our short answer: does the cost of the enabler fall a fixed... ARK Invest Article · ~10 min read Wright's Law ARK Invest
  15. A one page essay arguing that in AI the methods that ride falling compute costs keep beating clever handcrafted ones, because... incompleteideas.net (Richard Sutton) Essay · ~5 min read The Bitter Lesson Richard Sutton
  16. Wardley shows how every component evolves from genesis to commodity, and that this direction is predictable even when the... Bits or Pieces? (Simon Wardley) Essay · ~15 min read On Mapping and the Evolution Axis Simon Wardley
  17. A clean, free reference that defines the terms precisely, with the classic disruption diagram. If HBR is paywalled for you,... Christensen Institute Article · 10 min read Disruptive Innovation Theory Christensen Institute
  18. Thompson shows where the toy and disruption story breaks down: in consumer markets, good enough does not always win, because... Stratechery Essay · 15 min read What Clayton Christensen Got Wrong Ben Thompson
  19. Thompson names a third path beyond sustaining and disruptive: products that make the old thing obsolete rather than slowly... Stratechery Essay · 12 min read Obsoletive Ben Thompson
  20. Altman treats idea generation as a skill you build by surrounding yourself with high-idea-flux people and looking for the... Sam Altman (blog.samaltman.com) Essay · ~7 min read Idea Generation Sam Altman
  21. A curated starting path into the deepest single body of writing on the Indian consumer, market structure, and startup models.... sajithpai.com Article · Curated index Begin Here: Sajith Pai's essays on India Sajith Pai
  22. The annual read on where capital is actually flowing in India, by stage and sector, with the macro tailwinds behind it. It... Bain & Company Article · Report India Venture Capital Report 2025 Bain & Company with IVCA
  23. A demand-side view of who India's shoppers will be by 2030, segmented by income and behaviour, with the mass consumer doing... Redseer Strategy Consultants Article · Report The Indian Consumer at 2030 Redseer
  24. A specific argument that selling software to Indian businesses, long dismissed as too small, is becoming a real market driven... SaaSBoomi Article · Long article India's 100 Billion Dollar Domestic Software Opportunity SaaSBoomi

Show the next 24

The questions

Finding & shaping ideas 18

Find a problem worth years of your life.

Validating your idea 21

Get evidence before you write code.

Market size & timing 18

Is it big enough, and why now?

Founder-market fit 17

Why you, and why this problem?

Spotting trends & opportunities 18

Live in the future and build what's missing.

eChai Partner Brands The partnership →