You have a responsibility when you have a large community.

Execution really shapes whether your company takes off or not. A lot of people start out with an exciting thing and they want to take over the world, but really the people who do take over the world have a good plan of how to get there and the steps along the way.

We are really competing against ourselves, we have no control over how other people perform.

The Internet was appealing partly because it was something I could do in bed and feel like I was achieving something. I had an operation when I was 13 and ended up with complications, so I was in and out of the hospital. The bottom line is you can get through health challenges. It's part of why I was so driven.

You need space to try things and create. It takes a long time to recalibrate if you let people pull at you all the time. A lot of stress comes from reacting to stuff. You have to keep a certain guard [up], if you're a creative person.

We're living at a time when attention is the new currency: With hundreds of TV channels, billions of Web sites, podcasts, radio shows, music downloads and social networking, our attention is more fragmented than ever before.

The talent that has to be learned is finding out what someone's passion is and setting them up to realize that. You don't get the best work from people if you're guiding them versus them guiding themselves.