It was not accepted nearly as widely as a sport, particularly not accepted as a big-league sport.

Any credible sports-marketing program right now will be oversubscribed. People are very interested and eager to be in this industry. And there is a need for more people.

I think we'd be better off with a ballpark here that isn't any bigger than 32,000. When people think there isn't going to be a problem getting a ticket, you have trouble selling tickets.

I've always wanted to be a fighter pilot. But I don't want to kill people. I'd hate to.

One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. But you can predict pretty much any behavior with a certain amount of accuracy.

Media is very different from financial services. People are very fickle and very vocal. They believe that things should be one way and not the other. It's still very rewarding to build products for huge audiences. It feels like you're making an impact.