I think before Twitter people didn't think that way, not in any sort of meaningful or specific way, so what I'm trying to say, if we're trying a bunch of stuff, a lot of cool and great social stuff, a lot of platform stuff, then some of it will stick, and some of it will be junked over. Some of it will be just like the cell phone, you can't imagine not having it.

When a plane lands in the Hudson and there's a Twitter user on the ferry taking a picture of it, Boom. That's it. The water is still splashing. Here's the photo of the thing.

We didn't have anything before Twitter that allowed a group of people roaming around a city to communicate instantly, in real time, and in a coordinated way, in a group.

Understand that you dont have all the answers, you just have to start somewhere and keep an open mind.

Even though running is physically straining, it's mentally refreshing. Especially when you feel like you've accomplished something.

Investors are employees you can never hire. We made sure to pick investors that thought like us.

The thing that excites me, and the thing that excited me about Twitter, is the idea of a flock of birds moving around an object in flight.