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.
- The research frontier on simulating customers, and why to stay skeptical of it. arxiv.org Article · How Founders Use AI Synthetic Founders: AI-Generated Social Simulations for Startup Validation Research arXiv (academic)
- A documented 6-weeks-to-8-days discovery compression, step by step. aakashgupta.medium.com Article · How Founders Use AI AI Just Made Product Discovery 10x Faster (Here's the Exact Process) Aakash Gupta
- Includes conversational data querying and research patterns from the best PMs. lennysnewsletter.com Article · How Founders Use AI How top PMs increase their leverage with AI Lenny's Newsletter
- Torres's actual day-to-day setup for automating research legwork. lennysnewsletter.com Article · How Founders Use AI How I AI: Teresa Torres uses Claude Code as her research and writing system Lenny's Newsletter (How I AI)
- A running feed of screen-shared research workflows, prompts included. lennysnewsletter.com Podcast · How Founders Use AI How I AI (show hub): practical AI workflows from top operators Claire Vo / Lenny's Network
- a16z on the shift from ranking to being referenced in AI answers, and what that means for content and measurement. a16z.com Article · How Founders Use AI How Generative Engine Optimization (GEO) rewrites the rules of search a16z
- Google's own positioning of NotebookLM as a grounded research partner. blog.google Article · How Founders Use AI Do your best research with NotebookLM Google
- The update that lets NotebookLM gather web sources for you, not just read uploads. blog.google Article · How Founders Use AI NotebookLM adds Deep Research and support for more source types Google
- The best mainstream end-to-end guide to what it does and how to start. fastcompany.com Guide · How Founders Use AI The complete guide to NotebookLM Fast Company
- A productivity YouTuber's written playbook with real workplace use cases. jeffsu.org Guide · How Founders Use AI NotebookLM: A Comprehensive Guide Jeff Su
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Video · How Founders Use AI
A NotebookLM Deep Dive
Jeff Su
- Cuts through a year of feature launches to what is actually useful. jeffsu.org Article · How Founders Use AI NotebookLM in 2026: What Changed and What Matters Jeff Su
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Video · How Founders Use AI
The Ultimate Guide to NotebookLM: All 2025 Features Explained
YouTube tutorial
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Video · How Founders Use AI
How to Use Google NotebookLM (Step-by-Step Guide)
YouTube tutorial
- The launch thread from NotebookLM's editorial director, with a live example. x.com Thread · How Founders Use AI Rolling out audio overviews at NotebookLM Steven Johnson
- A rigorous independent tester's verdict on audio overviews. simonwillison.net Article · How Founders Use AI NotebookLM's automatically generated podcasts are surprisingly effective Simon Willison
- The build story with the team, full of hints about using it well. latent.space Podcast · How Founders Use AI How NotebookLM Was Made Latent Space
- The creators explain grounding and why it hallucinates less. podcasts.apple.com Podcast · How Founders Use AI Inside NotebookLM with Raiza Martin and Steven Johnson Google DeepMind Podcast (Hannah Fry)
- A strategic conversation on source-grounded AI as a research paradigm. exponentialview.co Podcast · How Founders Use AI How NotebookLM was created and where it's going (live with Steven Johnson) Azeem Azhar, Exponential View
- Advanced workflows chaining NotebookLM with deep research outputs. medium.com Article · How Founders Use AI How To Use NotebookLM Better Than 99% Of People (Deep Research Workflow Guide) Daniel Ferrera
- Understanding how the podcast voice is engineered helps you steer it. nicolehennig.com Article · How Founders Use AI NotebookLM: reverse engineering the system prompt for audio overviews Nicole Hennig
- A business-user walkthrough of the current feature set. youreverydayai.com Podcast · How Founders Use AI NotebookLM: New features, what's next and complete walkthrough (Everyday AI ep 627) Everyday AI (Jordan Wilson)
- Keeps you current: structured data tables from your sources is a big founder unlock. 9to5google.com Article · How Founders Use AI NotebookLM now uses Gemini 3, adds new Data Tables output 9to5Google
- Practical notebook-organization patterns that keep answers sharp. medium.com Guide · How Founders Use AI NotebookLM 2025: The Only Practical Guide You Need Write A Catalyst (Medium)
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.