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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 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 2 answers
  2. Video · How Founders Use AI Gemini vs. ChatGPT vs. Claude vs. Grok vs. Perplexity! (The Best Way To Use Each One) Paul J Lipsky In 2 answers
  3. What the $8 Go plan adds over Free, that it may show ads, and that its Think option runs a lighter model than Plus. help.openai.com Guide · How Founders Use AI What is ChatGPT Go? OpenAI Help Center In 2 answers
  4. Microsoft 365 Personal, Family, Premium and Pro in rupees, monthly and yearly, with the Copilot features each adds. microsoft.com Tool · How Founders Use AI Copilot Pricing Plans for Individuals (India) Microsoft In 2 answers
  5. What ChatGPT remembers, where to review and correct it, and how to delete a memory rather than only the chat it came from. help.openai.com Guide · How Founders Use AI Memory in ChatGPT OpenAI Help Center In 2 answers
  6. How Gemini's memory works, who can use it, how to turn it off and how to correct what it has learned. support.google.com Guide · How Founders Use AI Get personalization with memory of your past Gemini chats Google (Gemini Apps Help) In 2 answers
  7. 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 2 answers
  8. Google's launch post for Guided Learning, built on its LearnLM models, with ready-made example sessions. blog.google Article · How Founders Use AI Guided Learning in Gemini: From answers to understanding Maureen Heymans, Google In 2 answers
  9. How the Learning style reached every Claude.ai user from the style menu, and the two coding versions in Claude Code. engadget.com Article · How Founders Use AI Anthropic brings Claude's learning mode to regular users and devs Engadget In 2 answers
  10. Anthropic's documentation for the Explanatory and Learning styles, including the TODO(human) spots it leaves for you. code.claude.com Guide · How Founders Use AI Output styles Claude Code Docs In 2 answers
  11. The field experiment behind the 48% and 17% figures, and the hint-giving tutor that protected learning. hamsabastani.github.io Article · How Founders Use AI Generative AI Without Guardrails Can Harm Learning: Evidence from High School Mathematics Hamsa Bastani, Osbert Bastani, Alp Sungu and others (University of Pennsylvania) In 2 answers
  12. A Wharton professor's plain reading of the research on AI and learning, with a tutor prompt you can copy. oneusefulthing.org Article · How Founders Use AI Against "Brain Damage" Ethan Mollick (One Useful Thing) In 2 answers
  13. Google's education head on India having the highest global use of Gemini for learning. techcrunch.com Article · How Founders Use AI India is teaching Google how AI in education can scale TechCrunch In 2 answers
  14. The randomised trial behind the 50% and 67% scores, and the ways of using AI that kept learning intact. anthropic.com Article · How Founders Use AI How AI assistance impacts the formation of coding skills Anthropic In 2 answers
  15. What the merged Claude app can take on from any conversation, and how the Auto and Manual permission settings differ. support.claude.com Guide · How Founders Use AI Claude Cowork and chat are one Claude Claude Help Center In 2 answers
  16. Google's plan page in rupees, including which plan unlocks tasks in Gemini. gemini.google Tool · How Founders Use AI Google AI Pro & Ultra: get access to Gemini 4 Argon & more Google In 2 answers
  17. A worked demonstration of a hidden Reddit comment steering an AI browser into a signed-in email account. brave.com Article · How Founders Use AI Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet Brave (Artem Chaikin and Shivan Kaul Sahib) In 2 answers
  18. Anthropic's research note on how it trains and screens a browsing agent against hidden instructions. anthropic.com Article · How Founders Use AI Mitigating the risk of prompt injections in browser use Anthropic In 2 answers
  19. Google's own notice on what it keeps and who reads it, including the line asking you not to enter confidential information a... support.google.com Guide · How Founders Use AI Gemini Apps Privacy Hub Google In 2 answers
  20. The National Cyber Crime Reporting Portal, where you file a complaint about fraud online. cybercrime.gov.in Tool · How Founders Use AI Cybercrime Portal Indian Cyber Crime Coordination Centre (I4C) In 2 answers
  21. Chakshu, the government page for reporting a suspected fraud call, SMS or WhatsApp message. sancharsaathi.gov.in Tool · How Founders Use AI Sanchar Saathi Suspected Fraud Communication Reporting Department of Telecommunications In 2 answers
  22. Gives the 2025 cyber-fraud figures and the Rs 11,158 crore saved through quick reporting on 1930. dailypioneer.com Article · How Founders Use AI When your voice is no longer proof The Pioneer In 2 answers
  23. A plain summary of the same rules, including the three-hour takedown window. businesstoday.in Article · How Founders Use AI Govt tightens rules on AI generated content, mandates labels and faster takedowns Business Today In 2 answers
  24. A checklist of the visual and audio signs of a deepfake, written for Indian investors. tatamutualfund.com Guide · How Founders Use AI Deepfake Investment Videos: How to Check Whether That Fund Manager Clip Is Real Tata Mutual Fund In 2 answers

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