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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. A creator with millions of followers explains structuring prompts so output stays yours. letters.thedankoe.com Article · How Founders Use AI How to Use AI Better Than 99% of People Dan Koe
  2. An authentic-marketing coach on keeping your humanity while using AI daily. georgekao.medium.com Article · How Founders Use AI How To Write Without Sounding Like AI George Kao
  3. The 80/20 split: automate structure, hand-write voice, stories, and conviction. kokasexton.com Article · How Founders Use AI The Founder's AI Content System: Scale Your Brand Without Sounding Like a Robot Koka Sexton
  4. Survey of 1,000+ marketers: where AI content actually helps and where it fails. blog.hubspot.com Guide · How Founders Use AI The HubSpot Blog's AI Trends for Marketers Report HubSpot
  5. The clearest thinking on which parts of writing you should never outsource. oneusefulthing.org Article · How Founders Use AI Choosing to Stay Human Ethan Mollick (Wharton)
  6. A sharp cultural read on the slop backlash your content must rise above. technologyreview.com Article · How Founders Use AI How I Learned to Stop Worrying and Love AI Slop MIT Technology Review
  7. A 100M-view case study in why taste, not tools, decides what wins. x.com Thread · How Founders Use AI Roberto Nickson on AI slop vs human excellency Roberto Nickson
  8. A five-step repeatable loop for getting expert-level output from any model. threads.com Thread · How Founders Use AI How I've Been Using AI (meta prompt workflow) Dan Koe
  9. The exact one-day-a-week system behind 2.4M followers with zero team. help.blotato.com Guide · How Founders Use AI Sabrina's Social Playbook 2025 Sabrina Ramonov (Blotato)
  10. Why every piece should work in 5 seconds, last 12 months, live on 3 platforms. justinwelsh.me Article · How Founders Use AI The Power of Repeatable Content Justin Welsh
  11. A $10M solopreneur's actual ChatGPT use: hooks, reorganizing, repurposing. justinwelsh.me Article · How Founders Use AI Create Better Content, Faster, with ChatGPT Justin Welsh
  12. The system that means you never start from zero again. justinwelsh.me Article · How Founders Use AI How to Build a 730-Day Content Library Justin Welsh
  13. Content engine plus distribution machine, compressed into one thread. x.com Thread · How Founders Use AI How I'd Build an Audience From Zero in 2025 Greg Isenberg
  14. Why he built a product to turn one idea into dozens of platform-ready assets. rosssimmonds.com Article · How Founders Use AI My Latest Project: Distribution.ai, Putting Content Distribution on Autopilot Ross Simmonds
  15. The voice-as-a-file method from LinkedIn's biggest AI-writing creator. ruben.substack.com Article · How Founders Use AI I Am Just a Text File Ruben Hassid
  16. A copy-paste interview prompt that extracts your voice into a reusable .md file. linkedin.com Thread · How Founders Use AI How to Make AI Write (Exactly) Like You Ruben Hassid
  17. Set up a Claude skill trained only on your best posts, then improve it weekly. ruben.substack.com Guide · How Founders Use AI Claude + LinkedIn Ruben Hassid
  18. The cleanest step-by-step for custom instructions and sample-based training. zapier.com Guide · How Founders Use AI How to Train ChatGPT to Write Like You Zapier
  19. Compress your voice into a portable block that works in any model. promptsdaily.substack.com Article · How Founders Use AI Voice Pattern Prompts: How I Get AI to Write in My Voice From the First Message Prompts Daily
  20. Extracts specific patterns, not vague adjectives, from your samples. aiprompthackers.com Article · How Founders Use AI 8 Prompts That Teach AI Your Writing Voice Without a Style Guide AI Prompt Hackers
  21. A simple three-file setup (voice, audience, output) that travels between chats. donbarger.com Article · How Founders Use AI Give Claude Your Voice: The Three-File Writing System Don Barger
  22. Keep ideas and voice yours, use AI for speed, polish, and scale. mattgiaro.com Article · How Founders Use AI Writing (And Creating) Content With AI Matt Giaro
  23. Counterintuitive but right: train AI on your published output, not raw notes. mattgiaro.substack.com Article · How Founders Use AI Why I Stopped Training AI on My Notes (And What I Do Instead) Matt Giaro
  24. Voice-true threads: what to feed the model and what to rewrite yourself. mattgiaro.com Article · How Founders Use AI How to Write X Threads with AI (Without Sounding Like a Robot) Matt Giaro

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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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