If we compare the two, Facebook is currently a superior place to market a product like Slide. Twitter is more like a general distribution agent. It's like broadcast radio.

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.

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

I actually think Facebook made it their business to be close with all of the app developers. They couldn't have done more.

I genuinely have to work - I don't have enough money not to. But the last thing I would want is to be looked after.

If you have money, donate it. If you have time, donate that time. If you have a story to tell, share that story. There's a list of things you can do, and even educating yourself is a form of revolution in my opinion.

I know of nothing more despicable and pathetic than a man who devotes all the hours of the waking day to the making of money for money's sake.

Our society spends a lot of money on prison bars. For the sake of our kids, let's invest in monkey bars.