Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. The sharpest critique: synthetic research borrows the authority of science without its standards. interactions.acm.org Article · How Founders Use AI The Synthetic Persona Fallacy: How AI-Generated Research Undermines UX Research ACM Interactions
  2. The industry-adoption view, including where synthetic data already works in production research. forbes.com Article · How Founders Use AI The Promising Rise Of Synthetic Personas In Market Research Forbes Tech Council
  3. Clean side-by-side of researched personas versus AI-generated ones. ixdf.org Article · How Founders Use AI Are AI-Generated Synthetic Users Replacing Personas? What UX Designers Need to Know Interaction Design Foundation
  4. An enterprise consultancy's measured take on synthetic consumer research. cognizant.com Article · How Founders Use AI The Rise of Synthetic Users: Are AI-Generated Personas The Future of Consumer Research? Cognizant
  5. The insights industry's own debate about synthetic respondents, from inside the profession. quirks.com Article · How Founders Use AI The future of synthetic respondents in the insights industry Quirk's
  6. A promise-versus-reality scorecard for synthetic responses in SaaS research. developmentcorporate.com Article · How Founders Use AI Synthetic Responses in Market Research: Promise vs. Reality Development Corporate
  7. Covers the methodology questions a survey platform has to answer before using synthetic data. idsurvey.com Article · How Founders Use AI Synthetic Data and Synthetic Personas in Market Research IdSurvey
  8. Useful distinction between simulating a persona and pretending it is research. urbinaconsulting.com Article · How Founders Use AI Synthetic users vs persona simulations Urbina Consulting
  9. The bull case from a startup building AI-persona research, worth reading critically. blog.atypica.ai Article · How Founders Use AI Market Research Is Being Rewritten: Why AI Personas Are the Next Core Capability Atypica
  10. Concrete examples of synthetic-audience research workflows in practice. deepsona.ai Article · How Founders Use AI How Synthetic Audiences Are Transforming Market Research Through AI Personas Deepsona
  11. A hands-on build of a synthetic persona interviewer, showing exactly what these systems can and cannot do. towardsdatascience.com Article · How Founders Use AI From Ad-Hoc Prompting to Repeatable AI Workflows with Claude Code Skills (synthetic persona interviews) Towards Data Science
  12. A tight five-step thread: collect where the market talks, use AI to find repeated pain, act on it. x.com Thread · How Founders Use AI The AI version of market research as a service Corey Ganim
  13. Explains the community-signal thesis behind the most popular idea-mining product. linkedin.com Thread · How Founders Use AI I'm launching ideabrowser.com (launch post) Greg Isenberg
  14. The written companion with the exact prompts and Gumloop automation steps. blog.alexanderfyoung.com Article · How Founders Use AI How I use Reddit and AI to find winning startup ideas (written version) Dr Alex Young
  15. A practical low-code version using Gumloop, n8n, or Zapier to feed comments into an LLM. medium.com Article · How Founders Use AI How to Use Reddit and AI to Find Startup Ideas That Actually Work Andiebuk (Medium)
  16. The G2 mining method: tag complaints into themes, count repeats, build against the gaps. bigideasdb.com Guide · How Founders Use AI How to Analyze G2 Reviews to Find Product Ideas Your Competitors Miss BigIdeasDB
  17. Turns competitor review pain into a concrete feature-gap roadmap. bigideasdb.com Guide · How Founders Use AI How to Turn G2 Reviews Into SaaS Ideas (Feature-Gap Method) BigIdeasDB
  18. Explains which review source is high-signal for what: app stores for usability, G2 for B2B friction. cobbai.com Article · How Founders Use AI Customer Review Mining with AI: Unlocking Insights from App Stores, Marketplaces & Forums Cobbai
  19. Tool shortlist for ingesting reviews across G2, app stores, and support channels at scale. enterpret.com Guide · How Founders Use AI The 7 Best AI Tools to Analyze Customer Feedback Enterpret
  20. GummySearch's shutdown reshaped Reddit research tooling; this maps what replaced it. reddinbox.com Article · How Founders Use AI GummySearch is Gone: The Best Alternatives Reddinbox
  21. A second opinion on the post-GummySearch toolscape, including pay-per-analysis options. reddily.io Article · How Founders Use AI 7 Best GummySearch Alternatives (After Shutdown) Reddily
  22. A concise version of the Reddit discovery loop for quick orientation. geeky-gadgets.com Article · How Founders Use AI The Secret to Finding Million-Dollar Startup Ideas on Reddit Geeky Gadgets
  23. An operator separating the Reddit-mining tactics that work from the folklore. alexberman.com Article · How Founders Use AI AI Startup Ideas Reddit: What Actually Works Alex Berman
  24. Extends the mining method to X conversations using NotebookLM's grounded answers. medium.com Article · How Founders Use AI Market Research with Twitter (X.com) and NotebookLM in 10 Minutes AI Rabbit (Medium)

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