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. The person with the most skin in the game defines where the uncanny valley actually sits. fortune.com Article · How Founders Use AI What makes an AI avatar seem human, according to Synthesia's CEO Fortune
  2. Argues the winning move is leaning into AI's otherness instead of faking realism. musebyclios.com Article · How Founders Use AI Is Ad Biz Rediscovering Its Voice in AI's Uncanny Valley? Muse by Clios
  3. The clearest map of the avatar landscape and which use cases are actually working. x.com Thread · How Founders Use AI New a16z thesis: AI avatars (market map) Justine Moore (a16z)
  4. Candid founder interview including the enterprise pivot that made avatars a business. upstartsmedia.com Article · How Founders Use AI Synthesia's Victor Riparbelli On AI Video, Fringe Ideas, And Startup Lies Upstarts Media
  5. Practitioner review with real ROAS numbers from AI-actor campaigns. ecomrepublic.com Article · How Founders Use AI Arcads: The AI UGC Generator That's Replacing Human-Made Ad Creative Ecom Republic
  6. An influencer-marketing agency explains when AI UGC beats real creators and when it doesn't. inbeat.agency Guide · How Founders Use AI AI UGC Ads: The Future of Content Creation in Advertising inBeat Agency
  7. India-specific costs (about Rs 1,700 per video) and Hindi/Hinglish lip-sync realities. truefan.ai Guide · How Founders Use AI The Ultimate Guide to AI UGC Video Creator India TrueFan AI
  8. Conference-distilled practical framing of avatar video for marketing teams. marketingaiinstitute.com Article · How Founders Use AI How to Harness AI for Video Creation with Joshua Xu Marketing AI Institute
  9. Clean written setup guide including the audio-quality requirements that make or break a clone. xray.tech Guide · How Founders Use AI ElevenLabs Voice Clone Tutorial: Step-by-Step Setup XRAY.tech
  10. Creator-perspective guide covering narration workflows beyond the basic clone. feisworld.com Guide · How Founders Use AI ElevenLabs Tutorial: Voice Cloning Step-by-Step Guide Feisworld Media
  11. The engineering story behind AI music, useful before you rely on it commercially. amplifypartners.com Article · How Founders Use AI How Suno Builds AI That Creates Music Barrchives (Amplify Partners)
  12. The fastest way to turn your docs and decks into listenable audio content. forbes.com Article · How Founders Use AI How To Create An AI Podcast About Anything In Seconds With NotebookLM Roger Dooley, Forbes
  13. A podcast-tools company honestly tests where NotebookLM audio is and isn't good enough. descript.com Article · How Founders Use AI Notebook LM: Turn Documents into Your Own Podcasts Descript
  14. Primary source on the image model that made real-product editing mainstream. blog.google Article · How Founders Use AI Nano Banana Pro: Gemini 3 Pro Image model Google DeepMind
  15. The launch of accurate in-image text, the feature that unlocked AI marketing graphics. openai.com Article · How Founders Use AI Introducing 4o Image Generation OpenAI
  16. Structured hands-on intro to prompt-based image editing with your own photos. codecademy.com Guide · How Founders Use AI How to use Gemini 2.5 Flash Image (Nano Banana) Codecademy
  17. Concrete ecommerce transformations, pack shot to lifestyle scene, you can copy directly. marketing4ecommerce.net Article · How Founders Use AI 10 wild examples of how to use Nano Banana Marketing4eCommerce
  18. A PPC agency's prompt patterns for ad-ready product imagery. jumpfly.com Guide · How Founders Use AI How to Write High-Performance Image Prompts for Nano Banana JumpFly
  19. A professional logo designer shows where AI concepts help and where they stop. ebaqdesign.com Guide · How Founders Use AI How to Use Ideogram for Logo Design Ebaq Design (Arek Dvornechuck)
  20. Prompt-level detail for marketing collateral, mockups, and A/B variants. learnprompting.org Guide · How Founders Use AI GPT-4o Image Generation: A Complete Guide + 12 Prompt Examples Learn Prompting
  21. The company powering millions of seller product photos explains what quality actually takes. tech.eu Article · How Founders Use AI Photoroom CEO: We have spent millions on AI training data Tech.eu
  22. The keep-the-product, generate-the-scene workflow spelled out. claid.ai Guide · How Founders Use AI Midjourney product photography: AI backgrounds for your products Claid.ai
  23. A practical two-tool pipeline: Midjourney scenes plus compositing your real product in. scene4.ai Guide · How Founders Use AI How to Use MidJourney for Product Photography (Guide + No-Prompt Workflow) SCENE4
  24. How to get exact typography out of Ideogram, the thing other models still fumble. pixeldojo.ai Guide · How Founders Use AI Ideogram 4 Prompting Guide: Best-in-Class Text Rendering PixelDojo

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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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