DUOLINGO HANDBOOK

Summary from the TLDR Product newsletter

Duolingo's unique culture—rooted in long-term thinking, experimentation, high standards, and humor—was built from scratch. It evolved from a small, passionate team into a $16B company without losing its quirky spirit. The company's newly documented Duolingo Handbook shares five core principles that have shaped its success, offering insights into how it continues to innovate and grow.