We get to design what we want to see in the world rather than doing what other people think should be done.

Short term satisfaction will never lead to something timeless.

Starting anything is a roller coaster with the highest highs and lowest lows.

Great companies don't just have one founding moment. They have many founding moments.

It's a matter of invitations versus context. Twitter is really good at providing context, like, I''m having coffee at Third Rail Coffee.' Foursquare is about invitations to places. In this respect Foursquare has started to replace Yelp for me.

Meet customers where they are; question how to make the tools customers use more valuable.

The idea of Twitter started with me working in dispatch since I was 15 years old, where taxi cabs or firetrucks would broadcast where they were and what they were doing.