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

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.

I've been developing mobile for years before anybody else really thought it was that important.

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

We're all put on Earth for a limited amount of time. Am I using in a way that is great, or good enough, or wasteful?

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.

If the game designer produces more content than he can consume per month, some fraction of the people will say more quests, more tests, more challenges, more whatever, and they will be compelled by it.