Blog
Notes on validating ideas
Thinking out loud about founder timing, demand testing, and the moment before you commit to building something.
Playbook8 min read
Why 42% of startups fail — and how to make sure yours doesn’t
42% of startups die from “no market need” — they build what nobody wants. Here’s how to validate real demand before you write a line of code.
Read the postFounder notes7 min read
“Why now?” — Sequoia’s favorite question, answered for 2026
Sequoia’s famous “why now?” question, answered: AI made building cheap, founders multiplied, and validating demand before you build is the new edge.
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