Not only can you not plan the impact you're going to have, you often won't recognize it when you're having it.

Twitter is a global town square.

The beauty of Twitter is that more and more people are flocking to it because it's shrinking their world.

Not only can you not plan the impact you're going to have, you often won't recognize it when you're having it.

Managing by trying to be liked is the path to ruin.

That’s just silly. Closing a global business in reaction to single-issue national politics is foolish.

I was in Shanghai recently, where Twitter is blocked, and yet there were ads and billboards across town with hashtags on them.