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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. A whole show of operators pressure-testing AI marketing tactics on real budgets. podcasts.apple.com Podcast · How Founders Use AI AI DTC WTF podcast Foxwell Digital
  2. Context on the product launch that made avatar UGC mainstream. medium.com Article · How Founders Use AI HeyGen Launches AI-Powered UGC Ad Avatars Ada Gao (Medium)
  3. Budget alternatives from free to $19/month for pre-revenue founders. shhots.ai Article · How Founders Use AI Arcads AI Alternatives: 13 Cheaper UGC Ad Tools Shhots AI
  4. Real examples of AI-actor ads carrying serious revenue, straight from the Arcads founder. open.spotify.com Podcast · How Founders Use AI $200K/mo with ONE AI Ad The Startup Ideas Podcast (Greg Isenberg)
  5. A blunt audit of which Advantage+ modules to enable and which to override. get-ryze.ai Article · How Founders Use AI Meta Advantage+ in 2025: The Automation That Works (And the Parts That Don't) Ryze AI
  6. Exactly the control-vs-automation tradeoff founders worry about, mapped setting by setting. clickguard.com Article · How Founders Use AI The Marketer's Guide to Meta Advantage+: Mastering Automation Without Losing Control ClickGUARD
  7. A complete reference for the inputs-in, execution-out philosophy of Advantage+. bir.ch Article · How Founders Use AI Meta Advantage+ Guide: Features, Tools, Optimization Birch
  8. The most trusted independent Meta ads analyst decodes the retrieval engine change. jonloomer.com Article · How Founders Use AI Meta Andromeda: What It Means for Your Ad Strategy Jon Loomer
  9. Shows concretely what 'diverse concepts' means with seven worked examples. jonloomer.com Article · How Founders Use AI Meta Andromeda and Creative Diversification: 7 Examples Explained Jon Loomer
  10. Operators spending millions explain how they restructured for the Andromeda era. podcasts.apple.com Podcast · How Founders Use AI Evolving Creative Strategy for Meta's Andromeda Era (Marketing Operators bonus) Marketing Operators
  11. A global agency's strategic read on creative-first ad delivery. dentsu.com Article · How Founders Use AI The Creative Era: How Meta's Andromeda Rewrites Ad Strategy Dentsu
  12. Clear explanation of AI Max for Search versus Performance Max, plus feed prep. channable.com Article · How Founders Use AI Google AI Max: What It Is, How It Works, How to Prepare Channable
  13. Includes the finding that under half of AI Max's 'new' queries were actually new. groas.com Article · How Founders Use AI Google AI Max Explained: Complete Guide for Search Campaigns Groas
  14. Covers the shift from black-box auto mode to per-module automation control. segwise.ai Article · How Founders Use AI TikTok Smart+ Upgrade: New Controls, Creative & Budgeting Segwise
  15. Video · How Founders Use AI Are Keywords & Landing Pages DEAD in Google Ads? AI's Impact on PPC with Fred Vallaeys Fred Vallaeys (interview)
  16. A working practitioner debates exactly when to trust Google's automation. optmyzr.com Video · How Founders Use AI PPC in the Age of AI: Amy Hebdon on Control vs. Automation Optmyzr PPC Town Hall
  17. A $300M-spend practitioner on why creative and offer now decide outcomes, not targeting. entrepreneur.com Article · How Founders Use AI The Future of Advertising: Ben Heath's Insights on Innovation, AI and Consumer Behaviour Entrepreneur (feat. Ben Heath)
  18. Independent reporting on the efficiency gains and the rising CPM tax that comes with them. marketingdive.com Article · How Founders Use AI Meta's AI bets supercharge marketing efficiency, and costs Marketing Dive
  19. An India-lens view of what advertisers give up when the platform runs everything. exchange4media.com Article · How Founders Use AI Behind Meta's AI ad push lies a bigger shift in platform power Exchange4Media
  20. A week-by-week AI-powered competitive research system you can copy directly. toffu.ai Article · How Founders Use AI Meta Ad Library Competitor Research with AI Toffu AI
  21. Covers the new impression-range data that reveals which creatives competitors scale. adlibrary.com Guide · How Founders Use AI How to Use Meta Ad Library for Competitor Research AdLibrary.com
  22. AI transcription of competitor videos with hook, body, and CTA pulled out as text. adlibrary.com Tool · How Founders Use AI Meta Ads Library: Search & Analyze Competitor Ads AdLibrary.com
  23. Practical tricks for extracting far more signal than casual Ad Library browsing. brandsearch.co Article · How Founders Use AI Meta Ad Library Competitor Analysis: How to Get 10x the Data Brandsearch
  24. Agency-grade five-dimension analysis framework: creative, angle, format, duration, refresh. midsummer.agency Article · How Founders Use AI How to Use Meta Ads Library to Analyze Competitors and Find Winning Creatives Midsummer Agency

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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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