You curate information that you want to receive. It's a lot different because I'm not asking you if it's okay, I'm just saying I'm following your updates. That's why I don't think of Twitter as a social network.

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

Embrace your constraints.

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

Willingness to take risks is the path to success.

Creativity is a renewable resource.

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