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.

Inventing your dream is the first and biggest step toward making it come true.

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.

We actually created Twitter and Odeo at the same time. When we realized we didn't really want to be running Odeo anymore we looked around for anyone who wanted to buy Odeo, but not acquire us as a technology. But people aren't as interested in that.

Creativity comes from constraint.

Creativity is an infinitely renewable resource - you are not going to run out of it - so don't be afraid to use it.

At Twitter, mobile is in our DNA ... For us, it's all about mobile, and it always has been.