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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 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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)
  10. A deep prompt bank covering pains, triggers, objections, and anti-personas. medium.com Article · How Founders Use AI 18 ChatGPT Prompts To Understand Your Ideal Customer Profile Nizamuddin Siddiqui (Medium)
  11. Worked persona examples showing good versus generic AI output. m1-project.com Article · How Founders Use AI ChatGPT Personas: Definition, Examples & How to Generate Them M1-Project
  12. Describe an audience in plain language and get its actual demographics and hangouts. sparktoro.com Article · How Founders Use AI How to Find Hyper-Specific Audiences with SparkToro's New AI Features SparkToro
  13. The best pattern in this space: real audience data in, LLM synthesis out. sparktoro.com Article · How Founders Use AI How to Use SparkToro + LLMs to Do Marketing Magic SparkToro
  14. Emphasises the 15 minutes of real data collection that makes AI audience research non-generic. mysocial.io Guide · How Founders Use AI ChatGPT for Audience Research: Copy-Paste Prompts Mysocial
  15. A respected marketer's five-prompt persona system with alignment use cases. orbitmedia.com Article · How Founders Use AI How to Create AI Personas: 5 Prompts for Smart Marketing Alignment Orbit Media (Andy Crestodina)
  16. A simple end-to-end persona example to model your first attempt on. amperly.com Article · How Founders Use AI Creating an Ideal Customer Persona with ChatGPT Amperly
  17. An independent review of the leading trend-detection engine founders use for idea validation. unite.ai Article · How Founders Use AI Exploding Topics Review: Uncover Trends Before They Blow Up Unite.AI
  18. Covers Meta Trends, the feature that groups signals into bigger market shifts. makerstack.co Article · How Founders Use AI Exploding Topics Review MakerStack
  19. Founder-angle walkthrough of using trend data to validate market timing. startupik.com Article · How Founders Use AI Exploding Topics: Spot Fast-Rising Trends Before Everyone Else Startupik
  20. Includes Glimpse, the free browser extension that supercharges Google Trends. answersocrates.com Article · How Founders Use AI Top 7 Exploding Topics Alternatives (Free & Paid) AnswerSocrates
  21. The free-tool version: reading rising queries and breakout terms like an analyst. wbtrends.com Guide · How Founders Use AI Google Trends in 2025: How to Find Hot Topics Before They Explode WbTrends
  22. Primary platform data on where attention is moving, straight from Google. business.google.com Article · How Founders Use AI Top YouTube trends to know for 2025 Think with Google
  23. Surveys the new class of multi-platform trend-prediction tools like TrendTrack. aitoolstoday.blog Article · How Founders Use AI This AI Predicts Trends Before They Happen AI Tools Today
  24. YouTube search is an underrated demand signal; this shows how to read it early. vidiq.com Article · How Founders Use AI 7 Ways to Find Trending YouTube Topics Before They Peak vidIQ

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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