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. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Structured course on making AI your digital writing assistant, voice included. startwritingwithai.com Course · How Founders Use AI Start Writing With ChatGPT Nicolas Cole & Dickie Bush
  7. Feed a craft book to AI and turn it into a personal writing meta prompt. x.com Thread · How Founders Use AI Dan Koe on feeding books to AI as voice and craft context Dan Koe
  8. What 100M LinkedIn views taught him about AI-assisted posting. ruben.substack.com Article · How Founders Use AI 1,000,000 Ruben Hassid
  9. His ghostwriter-to-creator system, explained for beginners. theaireport.ai Article · How Founders Use AI How to Use AI to Grow on LinkedIn with Ruben Hassid AI Tool Report
  10. He shows the actual prompts behind posts people assume are hand-written. linkedin.com Thread · How Founders Use AI How to Create Viral LinkedIn Posts with AI Ruben Hassid
  11. The psychology that separates magnetic founder content from cringe. linkedin.com Thread · How Founders Use AI 6 Psychological Personal Branding Hacks Lara Acosta
  12. Case-study-driven playbook for founders doing their own marketing. theb2bplaybook.com Guide · How Founders Use AI Founder-Led Marketing Strategy: How to Scale Trust The B2B Playbook
  13. The 3x-a-week publishing cadence that builds warm inbound. workflows.io Article · How Founders Use AI Founder-Led Marketing: The B2B Personal Brand Playbook Workflows.io
  14. India-specific: why Hinglish and AI avatar video outperform on B2B LinkedIn. truefan.ai Article · How Founders Use AI AI Video Generator for LinkedIn India: Elevate Personal Branding TrueFan
  15. Platforms reward posts that give full value in-feed; here is how. buffer.com Article · How Founders Use AI Zero-Click Content: What It Is and Why You Should Create It Buffer
  16. The original zero-click essay every LinkedIn strategy now builds on. amandanat.substack.com Article · How Founders Use AI Zero-Click Content: How to Beat the Platforms at Their Own Game Amanda Natividad (SparkToro)
  17. The full system for building influence where your buyers already scroll. zeroclickmarketing.co Guide · How Founders Use AI Zero Click Marketing: The Book Amanda Natividad & Rand Fishkin
  18. Combines the famous content matrix with ChatGPT for endless LinkedIn angles. linkedin.com Thread · How Founders Use AI The ChatGPT Justin Welsh Content Matrix (Beat Writer's Block with AI) Luke Matthews
  19. Live data on how much AI content is actually ranking right now. originality.ai Article · How Founders Use AI Amount of AI Content in Google Search Results (Ongoing Study) Originality.ai
  20. Plain-English translation of Google's AI-era ranking guidance. seosherpa.com Article · How Founders Use AI Google AI Search Guidelines: What They Mean for SEO SEO Sherpa
  21. Includes citation data like the 3-month freshness cliff for AI answers. airops.com Guide · How Founders Use AI Answer Engine Optimization (AEO): Your Complete Guide AirOps
  22. From the company tracking millions of AI answers for big brands. tryprofound.com Guide · How Founders Use AI Answer Engine Optimization Ultimate Guide (White Paper) Profound
  23. E-commerce-flavored, concrete tactics for getting recommended by ChatGPT. yotpo.com Article · How Founders Use AI ChatGPT SEO & GEO: 12 Tips to Get Cited in AI Answers Yotpo
  24. Covers entity recognition and topical authority for LLM citation. llmrefs.com Guide · How Founders Use AI Answer Engine Optimization: The Complete Guide LLMrefs

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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