Success isn´t guaranteed, but failure is certain if you aren´t truly emotionally invested in your work.

I started designing book jackets, which was great because I was good at it. And then from there I decided to become a freelance graphic designer and I needed to expand beyond book jackets, so I taught myself web design, and then in 1999 some friends of mine decided to start a company called Xanga.com, which was a very early kind of social network slash blogging community.

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.

Willingness to take risks is the path to success.

We can break news really fast. When an earthquake happens, there are people Twittering about it.

The two things I use the most are the MacBook Air and my iPhone. Those are my two most-used gadgets that are dented, scratched and smashed.

I realized ceativity is a renewable resource. You never run out of good ideas