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. Systematic coverage of structure, schema, and citation quality. frase.io Guide · How Founders Use AI Answer Engine Optimization: The Complete AEO Guide Frase In 2 answers
  2. Monitor whether ChatGPT, Perplexity, and AI Overviews mention your startup. otterly.ai Tool · How Founders Use AI Otterly.AI Otterly In 2 answers
  3. AI Overviews use the same index; no separate AI algorithm to chase. stackmatix.com Article · How Founders Use AI Google Search Central AI Overviews Guidance: What Google Actually Recommends Stackmatix In 2 answers
  4. Video · How Founders Use AI How to Turn Long Videos into Shorts with OpusClip (Tutorial) OpusClip tutorial In 2 answers
  5. Video · How Founders Use AI Opus Clip Tutorial: Repurpose Your Video in 2 Minutes Independent creator walkthrough In 2 answers
  6. Video · How Founders Use AI How Varun Mayya Cloned Himself on Reels and Shorts Using AI Varun Mayya In 2 answers
  7. The camera-shy option: AI-assisted faceless channels around a niche. gregisenberg.com Article · How Founders Use AI My Faceless YouTube Formula Greg Isenberg In 2 answers
  8. The thread that named the AI-agents-for-marketing movement. x.com Thread · How Founders Use AI Vibe Marketing Is Here Greg Isenberg In 2 answers
  9. One marketer executing like five, with strategic control intact. thevibemarketer.com Guide · How Founders Use AI What Is Vibe Marketing? The Vibe Marketer In 2 answers
  10. The simplest automation: generate, repurpose, and schedule in one place. buffer.com Tool · How Founders Use AI Buffer AI Assistant Buffer In 2 answers
  11. Which schedulers have real AI and which just market it. zapier.com Guide · How Founders Use AI The 9 Best AI Tools for Social Media Management Zapier In 2 answers
  12. A cautionary-but-instructive build of a fully automated LinkedIn voice. medium.com Article · How Founders Use AI LinkedIn Content Automation: Building an AI Lara Acosta Ravi Rai In 2 answers
  13. The patchwork of state and platform rules, mapped. adexchanger.com Article · How Founders Use AI AI Disclosure Requirements: Navigating State Laws and Platform Rules AdExchanger In 2 answers
  14. DIY methods before you pay for a monitoring tool. justinmckelvey.com Guide · How Founders Use AI How to Track Brand Mentions in ChatGPT & AI Search Justin McKelvey In 2 answers
  15. Mainstream, skeptical reporting on the Kalshi ad that helps you separate the workflow from the hype. npr.org Article · How Founders Use AI An AI video ad is making a splash. Is it the future of advertising? NPR In 2 answers
  16. PJ Accetturo's actual numbers: 300-400 generations for 15 usable clips, script to air in three days. yahoo.com Article · How Founders Use AI The chaotic Kalshi ad was made with AI for $2,000. The creator shared how he made it Business Insider (via Yahoo) In 2 answers
  17. Video · How Founders Use AI How to make Product Ads with Veo 3 YouTube tutorial In 2 answers
  18. Named founders actually running solo companies on AI stacks, not just the prediction. forbes.com Article · How Founders Use AI OpenAI Called The One Person AI Startup, And Three Founders Proved It Sandy Carter, Forbes In 2 answers
  19. The company that gave every seller a product-photo studio explains the leverage shift firsthand. creators.spotify.com Podcast · How Founders Use AI Matthieu Rouif: How Photoroom Creates a Standout AI Product Generative Now (Lightspeed) In 2 answers
  20. Rigorous UX-research take on exactly which visual failures make viewers disengage. nngroup.com Article · How Founders Use AI Why AI-Generated Holiday Ads Fail, and What They Teach Us Nielsen Norman Group In 2 answers
  21. Video · How Founders Use AI HeyGen Tutorial 2025: How to Create AI Avatar Videos (Step-by-Step) YouTube tutorial In 2 answers
  22. Video · How Founders Use AI How I Clone Myself With HeyGen & ElevenLabs: Complete Tutorial YouTube tutorial In 2 answers
  23. The workflow page for testing dozens of AI-actor variations before spending on winners. arcads.ai Tool · How Founders Use AI Arcads: Ad creative testing with AI actors Arcads In 2 answers
  24. The Bengaluru voice startup born from IIT friends hitting the exact voiceover pain you have. techcrunch.com Article · How Founders Use AI Synthetic speech startup Murf lends a voice to content creators TechCrunch In 2 answers

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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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