Skype actually does get a fair bit of revenue.

The world is very disparate, in terms of the US using the most energy per person, and then the other rich countries - Europe, Japan, New Zealand - using about half of what we do, and then the world average being about a fifth of what we use, with China just now surpassing the world average.

People want to watch whatever video they want to watch whenever they want to watch. If you provision your Internet infrastructure adequately, you can do that.

Microsoft is not about greed. It's about innovation and fairness.

Philanthropy, although it's tiny compared to the government, it's 2% of the US economy, which is the largest percentage, other than the Middle East.

Me and my dad are the biggest promoters of an estate tax in the US. It's not a popular position.

Computer science … jobs should be way more interesting than even going to Wall Street or being a lawyer--or, I can argue, than anything but perhaps biology, and there it's just a tie.