If I see what you're up to on Facebook but I don't see your updates on Flickr, I'll still care about Facebook.

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.

Right now, nearly all the apps on Facebook take a week to build. No more.

You can't get married to any one particular plan. That is the biggest lesson I learned at PayPal.

Ignore your mistakes. The number one thing to worry about is -Am I doing what I'm good at?

Technology has come a long way since PayPal.

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