Revolution looks at the intersection ahead and pushes people to do the right thing.

The strongest thing you can cultivate as an entrepreneur is to not rely on luck but cultivating an ability to recognize fortunate situations when they are occurring.

My goal is to simplify complexity. I just want to build stuff that really simplifies our base human interaction.

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.

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

TweetDeck is a very interesting client, because it presents a view that no other client in the world presents, which is this multicolumn, massive amounts of information in one pane. And people really, really enjoy that.

Constraints inspire us in how we approach the press, how we approach business relationships, how we do everything.