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?'

I think there will be 20 years of evolution from linear broadcast to internet television.

If the Starbucks secret is a smile when you get your latte... ours is that the Web site adapts to the individual's taste.

In the long term, you have to believe that movies and TV shows will be like the opera and the novel, pretty nichey businesses.

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.

Stone Age. Bronze Age. Iron Age. We define entire epics of humanity by the technology they use.