Google is about information and computers and making things really fast. Facebook is about the sharing and connections. These missions give these companies direction and motivation.

Consider spending less time talking, and more time prototyping, especially if you're not very good at talking.

Pick three key attributes or features, get those things very, very right, and then forget about everything else… By focusing on only a few core features in the first version, you are forced to find the true essence and value of the product.

Cultures that don't laugh at themselves are cults.

Start out by making 100 users really happy, rather than a lot more users only a little happy.

I like writing code. I like building product. I like making things that people like.

Bitcoin may be the TCP/IP of money.