We're becoming slaves to our social networks - and that's not a bad thing. You like your favorite networks, so do you friends, and pretty soon you have market winners.

Facebook and Myspace are the U.S. audience, which is tried and true when it comes to being susceptible to ads.

Think of Slide as a giant media network for people to transmit information. The content that's in there now has been provided by users - it's whatever they want it to be.

The world is now awash in data and we can see consumers in a lot clearer ways.

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.

Mobile is the perfect example of what is enabling economic growth in the technology sector.

PayPal once rejected a candidate who aced all the engineering tests because for fun, the guy said that he liked to play hoops. That single sentence lost him the job.