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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. How AI changes which formats you repurpose into and why. podcast.nealschaffer.com Podcast · How Founders Use AI Generative AI Search & Content Repurposing with Amy Woods Neal Schaffer & Amy Woods
  2. How to build AI fluency before you buy another tool. gtmnow.com Podcast · How Founders Use AI GTM 165: Vibe Prompting, AI Fluency, and the New Rules of Go-to-Market GTMnow with Kieran Flanagan
  3. Strategy first, tools second: how HubSpot's leaders sequence AI adoption. podcasts.apple.com Podcast · How Founders Use AI The Brand NEW AI Marketing Strategy for 2025 Marketing Against The Grain
  4. A CEO's honest account of which AI habits stuck and which did not. podcast.beyondtheprompt.ai Podcast · How Founders Use AI Dan Shipper: Use AI to Make You and Your Business Better Beyond the Prompt
  5. Storytelling and networking tactics that AI can amplify but not replace. creators.spotify.com Podcast · How Founders Use AI Lara Acosta: How to Get Unstuck Using LinkedIn The Gaming Playbook
  6. India's top creators and a founder-billionaire on earning attention honestly. podcasts.apple.com Podcast · How Founders Use AI WTF Does It Take to Build Influence Today? (Nikhil Kamath w/ Nuseir, Tanmay, Prajakta, Ranveer) WTF is with Nikhil Kamath
  7. What the collapse of classic search means for startup content bets. reforge.com Podcast · How Founders Use AI The New AI Marketing Playbook Amid Google's Stumbles Reforge (Kieran Flanagan & Brian Balfour)
  8. Includes a full masterclass on an AI podcast workflow from idea to distribution. podcasts.apple.com Podcast · How Founders Use AI AI-Driven Marketer Podcast Dan Sanchez
  9. Turning audience research into one-complete-idea posts. metadata.io Podcast · How Founders Use AI How to Get Started with Zero-Click Content (Amanda Natividad) Demand Gen U ft. Amanda Natividad
  10. Why attribution obsession leads founders to make worse content. usertesting.com Podcast · How Founders Use AI Winning at Zero-Click Marketing Starts with Customer Empathy (Rand Fishkin) UserTesting ft. Rand Fishkin
  11. Practical measurement substitutes for the metrics that died. marketingspeak.com Podcast · How Founders Use AI Marketing in a Zero-Click World with Rand Fishkin Marketing Speak
  12. Concrete AI workflows a single marketer runs that used to need a full team. creators.spotify.com Podcast · How Founders Use AI 10x Your Marketing With These AI Workflows | Kieran Flanagan Ahrefs Podcast
  13. The Runway CEO on why production capability itself is being commoditised. podcasts.apple.com Podcast · How Founders Use AI Runway founder Cristobal Valenzuela wants Hollywood to embrace AI Masters of Scale
  14. Sharp interview on what studios and, by extension, agencies still add once generation is cheap. podcasts.apple.com Podcast · How Founders Use AI Hollywood's hottest AI partner, with Runway's Cristobal Valenzuela Decoder (The Verge)
  15. ElevenLabs' founder on the specific solo businesses his voice tools unlocked. creators.spotify.com Podcast · How Founders Use AI $6.6B AI CEO: How to Make Your First $10,000 with AI | Mati Staniszewski Silicon Valley Girl
  16. The generation-vs-control tradeoff that should drive which tool you pick. a16z.com Podcast · How Founders Use AI Creativity vs Control: Where AI Fits in the Creative Toolbox a16z
  17. Helps you bet on roadmaps, not just today's demo reels. techcrunch.com Podcast · How Founders Use AI Is AI video just a prequel? Runway's CEO on world models TechCrunch Equity
  18. HeyGen's CEO explains how avatar video is assembled under the hood and where it breaks. open.spotify.com Podcast · How Founders Use AI Can AI replace the camera? with Joshua Xu from HeyGen No Priors (Sarah Guo & Elad Gil)
  19. Founder plus investor on why 40,000+ businesses pay for avatar video. cognitiverevolution.ai Podcast · How Founders Use AI AI Avatars & the Future of Video, with HeyGen CEO Joshua Xu and Benchmark's Victor Lazarte The Cognitive Revolution
  20. Covers the consent and deepfake guardrails a founder must understand before cloning anyone. open.spotify.com Podcast · How Founders Use AI HeyGen's Josh Xu on trust, safety and interactive avatars Unsupervised Learning (Jacob Effron)
  21. The enterprise avatar pioneer on what businesses actually use avatars for. accel.com Podcast · How Founders Use AI Synthesia's Victor Riparbelli on harnessing AI's benefits and reducing harm Accel, Spotlight On
  22. Accessible tour of avatar upside and risk you can share with a non-technical cofounder. open.spotify.com Podcast · How Founders Use AI How AI digital doppelgangers could change how we communicate The TED AI Show
  23. Synthesia's CEO on model wars and why the application layer wins in avatar video. thetwentyminutevc.com Podcast · How Founders Use AI Victor Riparbelli on 20VC The Twenty Minute VC
  24. A product leader clones herself live, uncanny moments included, so you know what to expect. podcasts.apple.com Podcast · How Founders Use AI Gemini Omni: Clone yourself with AI in under 15 minutes How I AI (Claire Vo)

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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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