When we think about online learning, it's such 'early days.' Bill Gates is a wildly smart insightful guy. Yet, even a guy as smart and insightful as that, 30 years ago can say things like,'Who's every going to need more than 640K of memory?'

It is clear that for many of our members two websites would make things more difficult, so we are going to keep Netflix as one place to go for streaming and DVDs.

Don't be afraid to change the model.

But as an entrepreneur you have to feel like you can jump out of an aeroplane because you're confident that you'll catch a bird flying by. It's an act of stupidity, and most entrepreneurs go splat because the bird doesn't come by, but a few times it does.

Fibre optic is becoming like electricity. If you look at how electricity spread around the globe 100 years ago, that's what's happening now.

About half my work in education is U.S. political reform around school districts and charter schools, and creating more room for entrepreneurial organizations to develop. And about half on technology, which I look at as a global platform.

When there's an ache, you want to be like aspirin, not vitamins. Aspirin solves a very particular problem someone has, whereas vitamins are a general "nice to have" market.