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. Lovable's own post on planning an app, or working on a launched one, in chat before spending any build credits. lovable.dev Article · How Founders Use AI You can now chat with Lovable for free Lovable In 3 answers
  2. Explains why the support agent priced per outcome is now called Fin and sold inside Salesforce. salesforce.com Article · How Founders Use AI Salesforce Completes Acquisition of Fin Salesforce In 3 answers
  3. Survey data on how many people now use ChatGPT, Perplexity and Gemini to find information, and how far their trust in those... reutersinstitute.politics.ox.ac.uk Article · How Founders Use AI Digital News Report 2026: Overview and key findings Reuters Institute for the Study of Journalism In 3 answers
  4. Shows how to hand Claude a whole report or deck from a conversation and let it keep working after you close the laptop. claude.com Article · How Founders Use AI Claude Cowork and chat are now one Claude Anthropic In 3 answers
  5. Google's own note on the rename: the same product, notebooks synced with the Gemini app, and code that runs over your sources... blog.google Article · How Founders Use AI NotebookLM is now Gemini Notebook Google In 3 answers
  6. Kuaishou's launch release for Kling 4.0: up to 30 seconds in one pass, steadier fast motion and up to 15 reference assets. bernama.com Article · How Founders Use AI Kling AI Officially Launches Next-Generation Kling 4.0, Raising the Bar for Professional-Grade Video Models Kuaishou (via Bernama) In 3 answers
  7. HeyGen's own write-up of cloning your voice so it fits the scene a digital twin is placed in, with listening samples. heygen.com Article · How Founders Use AI HeyGen Voice: Scene-Aware Voice Cloning for Talking Videos HeyGen Research In 3 answers
  8. What Meta's revised Commercial Terms change: you carry the responsibility for images, translations and links its AI adds to... ppc.land Article · How Founders Use AI Meta makes advertisers solely responsible for its AI ad edits from Oct 30 PPC Land In 3 answers
  9. Usage data on ChatGPT, Gemini and Claude, including how many people use more than one and how fast Gemini and Claude grew in... a16z.com Article · How Founders Use AI The Top 100 Gen AI Consumer Apps, 6th Edition Andreessen Horowitz In 3 answers
  10. A law firm's plain summary of India's amended IT Rules: large platforms must ask users whether content is synthetic and label... hlc.com Article · How Founders Use AI India introduces mandatory labelling for AI and 3-hour takedown for illegal content Hogan Lovells In 3 answers
  11. Meta's own post: Ads Creative Studio rolling out, video from static assets generally available in Advantage+ creative, and hook... facebook.com Article · How Founders Use AI Advertising Week New York 2026: New AI Capabilities to Guide Campaigns and Reach Customers Meta In 3 answers
  12. SOLO's two AI teammates, one of which replies to WhatsApp enquiries and follows up leads, for Indian small businesses. mediabrief.com Article · How Founders Use AI Jio Haptik launches SOLO AI Platform for Small Businesses MediaBrief In 3 answers
  13. X's own terms, which now make you responsible for any feature that performs autonomous actions on your behalf, so an agent... x.com Article · How Founders Use AI X Terms of Service (effective 9 October 2026) X In 3 answers
  14. Explains privilege and work product in plain terms and cites United States v. Heppner, where a defendant's chats with public... harvey.ai Article · How Founders Use AI The Rules of Privilege Still Apply When Lawyers use AI Harvey (its Chief Legal Officer) In 3 answers
  15. Survey of which assistants US adults use, from ChatGPT and Gemini to Copilot, Meta AI, Grok and Claude, broken down by age. pewresearch.org Article · How Founders Use AI ChatGPT tops the list of chatbots Americans use, across age groups Pew Research Center In 3 answers
  16. How to open Meta AI from the Chats tab, forward a message to it and where it is not yet available. faq.whatsapp.com Guide · How Founders Use AI How to chat with Meta AI WhatsApp Help Center In 3 answers
  17. What the free Standard tier gives, what Pro and Max add, and the student discount. perplexity.ai Guide · How Founders Use AI Which Perplexity Subscription Plan is right for you? Perplexity Help Center In 3 answers
  18. Says users in India cannot yet pay for a recurring Perplexity plan in rupees and must subscribe in US dollars. perplexity.ai Guide · How Founders Use AI Paying in Local Currency Perplexity Help Center In 3 answers
  19. OpenAI's own page on turning study mode on by web, iOS and Android, what to put in your first message, and example prompts. help.openai.com Guide · How Founders Use AI Using study mode in ChatGPT OpenAI Help Center In 3 answers
  20. Mollick's way to decide when to delegate (your time against the time to brief and check) and the six questions a good brief... oneusefulthing.org Article · How Founders Use AI Management as AI superpower Ethan Mollick (One Useful Thing) In 3 answers
  21. Step-by-step setup: eligibility, naming your dot, giving it tasks and reviewing what is in progress, scheduled and done. help.openai.com Guide · How Founders Use AI Getting started with your dot OpenAI Help Center In 3 answers
  22. OpenAI's page on what is used for training by default and how Temporary Chat keeps a conversation out of history and training. help.openai.com Guide · How Founders Use AI Data controls in ChatGPT OpenAI In 3 answers
  23. OpenAI's test of 2,278 questions on Indian culture in 12 languages including Hinglish, written by 261 Indian experts, and why... openai.com Article · How Founders Use AI Introducing IndQA OpenAI In 3 answers
  24. The launch report on Indus: typed or spoken questions with text and audio answers, and the limits it shipped with. techcrunch.com Article · How Founders Use AI India's Sarvam launches Indus AI chat app as competition heats up TechCrunch In 3 answers

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