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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. Where agents genuinely are on the automation timeline, hype removed. lennysnewsletter.com Podcast · How Founders Use AI An AI state of the union | Simon Willison Lenny's Podcast (Simon Willison)
  2. The full conversation, including memory across sessions. latent.space Podcast · How Founders Use AI Context Engineering for Agents | Lance Martin, LangChain Latent Space (Lance Martin)
  3. Same episode, playable on your commute. open.spotify.com Podcast · How Founders Use AI Context Engineering for Agents (audio) Latent Space
  4. Screen-share episode showing exactly how a prototype goes from generic mock to product-quality. creators.spotify.com Podcast · How Founders Use AI How to build prototypes that actually look like your product (Colin Matthews) How I AI with Claire Vo
  5. Lovable's founding designer on why prototype-first changes what founders should expect from design. open.spotify.com Podcast · How Founders Use AI Nad Chishtie: a new way to design and build with AI Dive Club (Ridd)
  6. Trains the judgment you need to edit AI copy: visual, falsifiable, unique. open.spotify.com Podcast · How Founders Use AI Learn great copywriting in 76 minutes (Harry Dry) How I Write (David Perell)
  7. The activation fundamentals your AI-generated flow has to serve, from someone who lifted Airtable's by 20 percent. lennysnewsletter.com Podcast · How Founders Use AI Mastering onboarding (Lauryn Isford, Head of Growth at Airtable) Lenny's Podcast
  8. Copy psychology by example, ideal for calibrating what you keep from AI drafts. creators.spotify.com Podcast · How Founders Use AI Harry Dry's favorite marketing examples Nudge Podcast (Phill Agnew)
  9. A working designer explains how to make AI generate in your product's visual language. open.spotify.com Podcast · How Founders Use AI The trick to AI prototyping with your design system Dive Club (Ridd)
  10. The definitive argument for why design matters more, not less, after AI. lennysnewsletter.com Podcast · How Founders Use AI Figma's CEO: why AI makes design, craft, and quality the new moat for startups Lenny's Podcast (Dylan Field)
  11. Field's AI Startup School talk, aimed squarely at founders deciding how to staff design. creators.spotify.com Podcast · How Founders Use AI Figma CEO Dylan Field: how AI will transform design Y Combinator Startup Podcast
  12. A VC-grade discussion of design org shapes in the AI era. a16z.com Podcast · How Founders Use AI Figma's Dylan Field on the future of design a16z Podcast
  13. Fresh field data on how design teams actually split work between AI and humans. open.spotify.com Podcast · How Founders Use AI Stephen Haney: the 2026 AI design field report Dive Club (Ridd)
  14. On why the designer-engineer-PM boundary is dissolving and what that means for your first hires. productschool.com Podcast · How Founders Use AI Dylan Field on design, product, engineering: blurring the lines in the AI era Product School
  15. The founder behind the deck tool, with lessons on story-first presentations. lennysnewsletter.com Podcast · How Founders Use AI 'Dumbest idea I've heard' to $100M ARR: inside the rise of Gamma (Grant Lee) Lenny's Podcast
  16. How Gamma reached 100M users with zero ad spend, useful thinking for your own visuals strategy. podcasts.apple.com Podcast · How Founders Use AI Grant Lee: building Gamma's AI presentation company The a16z Show
  17. Four consumer investors on why subtle product choices now matter more than raw model quality. a16z.com Podcast · How Founders Use AI Where Does Consumer AI Stand at the End of 2025? a16z (Anish Acharya, Olivia Moore, Justine Moore, Bryan Kim)
  18. Veteran product leaders on AI at the core versus AI at the edge, the distinction most founders miss. lennysnewsletter.com Podcast · How Founders Use AI How AI is reshaping the product role | Oji and Ezinne Udezue Lenny's Podcast
  19. Vohra applies his famous product-market-fit engine to deciding which AI features earn their place. productschool.com Podcast · How Founders Use AI Superhuman CEO on the 40% PMF Rule and AI-Native Productivity Product School (Rahul Vohra)
  20. The default podcast of people who ship AI features for a living; subscribe and skim show notes. latent.space Podcast · How Founders Use AI Latent Space: The AI Engineer Podcast swyx and Alessio Fanelli
  21. A strategic view of vendor pricing games and how buyers should respond. cxotalk.com Podcast · How Founders Use AI Inside the AI Arms Race: LLMs, Economics, and Strategy CXOTalk with Nate B. Jones
  22. Willison narrates the price collapse and capability gains in one listenable year-in-review. latent.space Podcast · How Founders Use AI Simon Willison: Things we learned about LLMs in 2024 (Latent Space) Latent Space with Simon Willison
  23. YC partners on how model progress should shape what founders build now versus wait on. creators.spotify.com Podcast · How Founders Use AI The 10 Trillion Parameter AI Model With 300 IQ (Lightcone) Y Combinator (Lightcone Podcast)
  24. A live-demo episode: watch error analysis actually being done on screen. podcasts.apple.com Podcast · How Founders Use AI Evals, error analysis, and better prompts | Hamel Husain How I AI (Claire Vo)

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