Innovation accelerates and compounds.

There's always more demands than there's time to meet them, so it's constantly a matter of trying to balance them

Skype has a great engineering team, which I like to describe as 'all of Estonia.'

You only ever experience two emotions: euphoria and terror. And I find that lack of sleep enhances them both.

At Microsoft, they all rock back and forth like Gates, they wear the same glasses, they have the same hair style. Maybe they grow them in tanks.

Innovation accelerates and compounds.

At a certain point in your career - I mean, part of the answer is a personal answer, which is that at a certain point in your career, it becomes more satisfying to help entrepreneurs than to be one.