Extremely practical AI tutorials and interviews for busy people. Get my free AI learning path when you sign up.

Explain complex systems with simple terms, from the authors of the best-selling system design book series. Join over 1,000,000 friendly readers.

Delivering curiosity-inducing content every single week.

"One of the best for understanding how tech can solve our biggest problems and shape our society." — Daniel Ek, CEO of Spotify

Economics and other interesting stuff

Tech strategy, analysis, and philosophy, but not boring.

Innovations in commerce from mainland China (ecom, retail, brands)

A Substack newsletter about Substack and newsletters. It could be about your newsletter! 😃