Design is a career where you learn creative decision making.

I don't think of Twitter as a social network. I think of it as a messaging system that has a lot of social components to it.

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.

I started out as an artist, and I continue to think of myself as an artist first, and a technologist and entrepreneur after that.

People are watching TV, they're watching some clips on their iPhone. I mean, some folks are sitting there on the iPhone, watching the Colbert Report, and meanwhile there's a huge plasma TV right in front of them that they could be watching it on.

A personal belief is that if you're not personally invested in what you're working on, you'll fail.

Lesson number one: opportunity can be manufactured. Yes, you can wait around for the right set of circumstances to fall into place and then leap into action but you can also create those set of circumstances on your own. In so doing, you manufacture your own opportunities. This has helped me immeasurably.