Success Is Never Accidental.

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.

Technology To Me Does Two Things: It Increases The Velocity Of Communication And Increases The Number Of People Who Can Participate. That's It. That's Really All Technology For Our Entire History Has Ever Done.

Great Companies Don't Just Have One Founding Moment. They Have Many Founding Moments.

I Spend 90% Of My Time With People Who Don't Report To Me, Which Also Allows For Serendipity, Since I'm Walking Around The Office All The Time. You Don't Have To Schedule Serendipity. It Just Happens.

Everyone Has An Idea, But It's Really About Executing The Idea And Attracting Other People To Help You With The Idea.