An Idea That Can Change The Course

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.

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.

The Greatest Lesson That I Learned In All Of This Is That You Have To Start. Start Now, Start Here, And Start Small. Keep It Simple.

A Number Of People In The United States, Almost Everyone, Is Using Plastic Cards To Pay For Things, But It's Extremely Difficult To Accept These Cards. So Let's Make It's Easy And Take More And More Of The Friction Out As We Can.