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.
- Kahl argues that half of good customer discovery is ignoring the wrong people, and he is explicit that supportive friends and... Arvid Kahl, The Bootstrapped Founder Essay · Starting Up Problem Validation: Making Sure You're Talking to the Right People Arvid Kahl
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Video · Starting Up
Customer Discovery: Who Do You Interview
Justin Wilcox
- This Notion template turns the Mom Test's rules into a fill in the blank interview and synthesis workflow, which is useful once... Mari Luukkainen Template · Starting Up Master Customer Interviews with a Mom Test-Based Notion Template for Startups Mari Luukkainen
- This thread is a candid, unfiltered discussion of a question every founder eventually asks out loud: how do you actually get a... Hacker News Thread · Starting Up Ask HN: How to Actually "Talk to Your Customers"? Hacker News
- Nick Swinmurn tested whether people would actually buy shoes online by photographing shoes he did not own and buying them at... Alex Ponomarev Article · 8 min read · Starting Up How Zappos Built a Product By Faking It Alex Ponomarev
- The book's central case study of an entrepreneur with six beta commitments and zero dollars spent on development is a direct... Nathan Furr and Paul Ahlstrom Book · ~230 pages · Starting Up Nail It Then Scale It Nathan Furr, Paul Ahlstrom
- Young's method pushes you past what people say they do and toward the reasoning underneath it, the guiding thoughts and... Rosenfeld Media Book · Starting Up Mental Models: Aligning Design Strategy with Human Behavior Indi Young
- This article names the specific ways a survey misleads you: people rush through it, answer the way that feels acceptable rather... Harvard Business Review Article · Starting Up Customer Surveys Are No Substitute for Actually Talking to Customers Graham Kenny
- The switch interview technique here is the deepest version of the live conversation approach: instead of asking what someone... jobstobedone.org Tool · Starting Up Jobs-to-be-Done: The Switch Interview Bob Moesta and Chris Spiek
- Cohen has run this exact process since before he sold his first company, and he is unusually candid about the mechanics: write... A Smart Bear Essay · Starting Up The Iterative-Hypothesis Customer Development Method Jason Cohen
- Nielsen Norman Group has run user research for decades, and this short video lays out plainly which questions each method... Nielsen Norman Group Video · Starting Up Comparing Qualitative and Quantitative UX Research Nielsen Norman Group
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Podcast · Starting Up
Principles of Building Great Products with Julie Zhuo
Amit Somani and Julie Zhuo
- A checklist you can run your actual call script against before you place the calls. It catches the specific phrasing habits,... Nielsen Norman Group Article · ~8 min read · Starting Up 6 Mistakes When Crafting Interview Questions Maria Rosala
- Cohen goes straight at the founder self-deception in the question: a room full of enthusiastic yeses is not validation unless... A Smart Bear (Jason Cohen) Essay · ~15 min read · Starting Up Yes, but who said they would actually buy the damn thing? Jason Cohen
- This essay is the clearest explanation of why stated preference and revealed preference diverge, with a concrete example of... UX Tigers Essay · ~10 min read · Starting Up Watch What Users Do, Don't Listen to What They Say Jakob Nielsen
- Meyer's framework classifies India as a high-context culture, where meaning is layered and read between the lines rather than... Erin Meyer Book · ~280 pages · Starting Up The Culture Map: Breaking Through the Invisible Boundaries of Global Business Erin Meyer
- This walks through exactly the analysis step your question is stuck on, how to go from a stack of interview notes to a small... Nielsen Norman Group Video · Starting Up Thematic Analysis of Qualitative User Research Data Maria Rosala
- Affinity diagramming is the literal, hands on version of sorting your transcripts by who the person is and how badly they hurt:... Nielsen Norman Group Article · Starting Up Affinity Diagramming: Collaboratively Sort UX Findings and Design Ideas Rachel Krause and Kara Pernice
- Paras Chopra describes losing seven to eight months building Wingify's first version without talking to users at all, then the... The Neon Show Podcast · Starting Up How To Build A Successful Startup In India, ft. Paras Chopra (sold Wingify for 200 million dollars) Paras Chopra
- Chesky describes flying across the country to personally sit in hosts' living rooms because nothing in a survey told them why... Y Combinator Startup Library Video · ~40 min · Starting Up Brian Chesky, Co-Founder and CEO of Airbnb Brian Chesky
- This is the original milkshake essay: researchers sat in a parking lot and watched who bought milkshakes and when, instead of... Harvard Business Review Essay · ~20 min read · Starting Up Marketing Malpractice: The Cause and the Cure Clayton Christensen, Scott Cook, Taddy Hall
- Drew Houston did not build Dropbox before testing demand, he filmed a video showing how it would work and posted it to Hacker... Shortform Article · ~10 min read · Starting Up The Original Dropbox MVP Explainer Video Shortform
- Before building any shoe inventory or logistics, Nick Swinmurn photographed shoes from local stores, posted them online, and... What Is MVP Article · ~10 min read · Starting Up Zappos MVP Case Study: How a Wizard of Oz Test Built a Billion Dollar Shoe Empire What Is MVP
- A practical walkthrough of building only the button or menu item for a feature that does not exist yet, then measuring who... Amplitude Article · ~10 min read · Starting Up What Is Fake Door Testing: Methods and Best Practices Amplitude
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.
eChai Partner Brands
The partnership →