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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. What you need to use Gemini Live on a phone, what it is good for and its current limits. support.google.com Guide · How Founders Use AI Talk naturally with Gemini Live Google (Gemini Apps Help)
  2. How to start a spoken conversation with Claude on the phone, web or desktop, and that voice counts toward your usage. support.claude.com Guide · How Founders Use AI Use voice mode Anthropic (Claude Help Center)
  3. Meta's note on the model now behind the Thinking mode of the Meta AI app and meta.ai. ai.meta.com Article · How Founders Use AI Introducing Muse Spark 1.1 Meta Superintelligence Labs
  4. The launch post: how study mode uses questions, hints and knowledge checks, and the limits OpenAI admits to. openai.com Article · How Founders Use AI Introducing study mode in ChatGPT OpenAI
  5. Video · How Founders Use AI Introducing ChatGPT Study Mode OpenAI
  6. Where Guided Learning sits in the Gemini app and how it uses images and YouTube videos to explain a topic. support.google.com Guide · How Founders Use AI Use learning tools in Gemini Apps Gemini Apps Help
  7. Anthropic's announcement of learning mode, which guides a student's reasoning rather than giving the answer. anthropic.com Article · How Founders Use AI Introducing Claude for Education Anthropic
  8. Video · How Founders Use AI ChatGPT Study Mode - Explained By A Learning Expert Justin Sung
  9. Video · How Founders Use AI How to Learn FASTER using AI (without damaging your brain) Justin Sung
  10. Video · How Founders Use AI How to Think and Learn So Deeply AI Can Never Replace You Justin Sung
  11. The product page: source-grounded answers, Audio Overviews and an FAQ confirming it is the same product as NotebookLM. notebook.google Tool · How Founders Use AI Gemini Notebook | AI Research Tool & Thinking Partner Google
  12. The 16 July 2026 rename to Gemini Notebook, and how notebooks now sync with the Gemini app. androidauthority.com Article · How Founders Use AI Google's handy NotebookLM tool is dropping the worst part of its name Taylor Kerns, Android Authority
  13. Google's step-by-step for a first notebook and everything the Studio panel can make from your sources. support.google.com Guide · How Founders Use AI Create a notebook in Gemini Notebook Gemini Notebook Help
  14. Which file types count as sources and the free plan's limits of 50 sources and 500,000 words each. support.google.com Guide · How Founders Use AI Add or discover new sources for your notebook Gemini Notebook Help
  15. How to set the difficulty, track the cards you missed and retake only those. support.google.com Guide · How Founders Use AI Generate Flashcards or Quizzes in Gemini Notebook Gemini Notebook Help
  16. Turning your sources into a spoken discussion, with the choice of more than 80 output languages. support.google.com Guide · How Founders Use AI Generate Audio Overview in Gemini Notebook Gemini Notebook Help
  17. Video · How Founders Use AI How to Learn FASTER With AI - Google NotebookLM Justin Sung
  18. Google's announcement of free JEE Main practice tests in Gemini, grounded in PhysicsWallah and Careers360 content. blog.google Article · How Founders Use AI New AI Tools to Support India's Next Generation Google India Team
  19. How to start a practice test, which exams are supported (SAT, JEE Main, NEET UG) and what the results screen shows. support.google.com Guide · How Founders Use AI Create quizzes, flashcards, practice tests & more in Gemini Apps Gemini Apps Help
  20. Independent reporting on the JEE launch and how the feedback and study plans work. techcrunch.com Article · How Founders Use AI Google pitches Gemini to students studying for India's most competitive college entrance exam Jagmeet Singh, TechCrunch
  21. Video · How Founders Use AI How to Access Gemini’s FREE Full-length JEE Mock Tests | Google Invests ₹85 Cr In Wadhwani AI Mint
  22. Video · How Founders Use AI Free JEE Main 2026 Mock Test by Google Gemini | Honest Review | JEE 2026 Aayush Bhoj (IIT Roorkee)
  23. The official site, with the current syllabus, information bulletin and the actual 2026 question papers to practise on. jeemain.nta.nic.in Guide · How Founders Use AI Joint Entrance Examination (Main) National Testing Agency
  24. Altman's figures for India, including that it has the largest number of student users of ChatGPT in the world. techcrunch.com Article · How Founders Use AI India has 100M weekly active ChatGPT users, Sam Altman says TechCrunch

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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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