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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. Video · How Founders Use AI How to create a buyer persona using ChatGPT (Secret Hack Revealed) YouTube creator (marketing)
  2. Video · How Founders Use AI Analyze YouTube Audiences with ChatGPT (Tutorial) YouTube creator (audience research)
  3. 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)
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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)
  9. 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
  10. Video · How Founders Use AI How To Find Trending Topics With AI BEFORE Your Competition Does YouTube creator (AI marketing)
  11. Video · How Founders Use AI 3 Ways to Build a $1M Startup with AI ft Greg Isenberg Greg Isenberg (guest)
  12. MFM's trend-to-business brainstorm method, the most entertaining masterclass in opportunity spotting. audacy.com Podcast · How Founders Use AI How to build a $1M+ startup using AI (Full Tutorial) My First Million (Sam Parr & Shaan Puri)
  13. A $3B AI founder reading current market gaps out loud. iheart.com Podcast · How Founders Use AI How I built a $3B AI Startup + 7 AI Business Ideas My First Million
  14. 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
  15. Covers Meta Trends, the feature that groups signals into bigger market shifts. makerstack.co Article · How Founders Use AI Exploding Topics Review MakerStack
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. Community reviews of the daily trend-to-idea feed, with real user feedback. producthunt.com Tool · How Founders Use AI Ideabrowser.com on Product Hunt Greg Isenberg
  22. 1000+ free automation templates to build your own always-on trend monitor. n8n.io Tool · How Founders Use AI Market Research Automation Workflows (n8n community library) n8n community
  23. 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
  24. The live map of where Indian AI founders are finding opportunity right now. inc42.com Article · How Founders Use AI Indian AI Startup Tracker: 170+ Startups Putting India On The Global AI Map Inc42

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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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