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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 LLMs learn brands: words that co-occur with your name. advancedwebranking.com Article · How Founders Use AI Branding in the Age of AI and Zero-Click SERPs (Rand Fishkin) Advanced Web Ranking ft. Rand Fishkin
  2. Hands-on test results before you commit to a subscription. visiblie.com Article · How Founders Use AI 8 Best AI Visibility Tools Tested & Ranked Visiblie
  3. Benchmark your channel mix and metrics against 1,000+ teams. hubspot.com Guide · How Founders Use AI HubSpot 2026 State of Marketing Report HubSpot
  4. Founder-community debate on what the +22% engagement number really means. indiehackers.com Article · How Founders Use AI Buffer Analyzed 1.2 Million AI Posts (discussion) Indie Hackers
  5. Prompt-sampling methodology for consistent mention tracking. vizibleai.com Guide · How Founders Use AI How to Track Brand Mentions in ChatGPT, Gemini, and Perplexity Vizible AI
  6. Track brand visibility inside ChatGPT, Claude, and Perplexity. finseo.ai Tool · How Founders Use AI Finseo AI Visibility Tracker Finseo
  7. The canonical breakdown of the first AI-generated ad to air during the NBA Finals, tool by tool. adage.com Article · How Founders Use AI How Kalshi made an AI ad using Google Veo 3 Ad Age
  8. Flow is where most founder Veo workflows actually live; this is the official launch explainer. blog.google Article · How Founders Use AI Introducing Flow: Google's AI filmmaking tool designed for Veo Google
  9. The launch thread with side-by-side examples so you can judge output quality yourself. x.com Thread · How Founders Use AI Runway introduces Gen-4 (announcement thread) Runway
  10. Video · How Founders Use AI How to Make the Most Realistic AI Videos (Step-by-Step Tutorial) Marketing Against The Grain (Kipp Bodnar & Kieran Flanagan)
  11. Video · How Founders Use AI How to make Product Ads with Veo 3 YouTube tutorial
  12. Video · How Founders Use AI Veo 3 Tutorial: How to Make an Ad Using AI YouTube tutorial
  13. Video · How Founders Use AI Put Real Products and People into AI Video Ads (Veo 3 Full Tutorial) YouTube tutorial
  14. A demo-specific walkthrough, useful when the ad tutorials skew too cinematic. kaizenaiconsulting.com Guide · How Founders Use AI How to Create Product Demo Videos Using Veo 3.1 and Google AI Studio Kaizen AI Consulting
  15. The screen-capture-first demo workflow, the right call when your product is software not pixels. supademo.com Guide · How Founders Use AI How to Make a SaaS Product Demo Video With AI Supademo
  16. Video · How Founders Use AI The NEW Way to Build a SaaS Product Demo (With AI) YouTube tutorial
  17. SaaS-flavoured Veo + Flow recipes: founder messages, demos, and explainer formats. creolestudios.com Guide · How Founders Use AI AI Video Creation with Veo 3 and Flow for SaaS Creole Studios
  18. a16z's games team distills why seed-stage launch videos now get millions of views without agencies. speedrun.substack.com Guide · How Founders Use AI How to Make a Viral Launch Video a16z speedrun
  19. A CMO-level operator maps exactly which agency functions AI absorbs first. news.bulldozer-collective.com Article · How Founders Use AI The one-person marketing team (with AI) Kieran Flanagan (HubSpot)
  20. 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
  21. Frames the macro shift: why leverage per person is exploding across every creative function. forbes.com Article · How Founders Use AI The Billion-Dollar Company Of One Is Coming Faster Than You Think Mark Minevich, Forbes
  22. The moment the 'one person and 10,000 GPUs' prediction stopped being theoretical. x.com Thread · How Founders Use AI Sam Altman on winning the one-person billion-dollar company bet The Rundown AI
  23. Puts the $2,000 spot against the $200,000 agency equivalent, line item by line item. news.designrush.com Article · How Founders Use AI Kalshi's $2K NBA Finals AI Ad Shows Why Big-Budget Commercials Are Dying DesignRush
  24. Documents the 95% production cost cut that made a solo national ad possible. eweek.com Article · How Founders Use AI First Completely AI-Generated Ad Played During NBA Finals eWeek

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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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