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.

Be brutally honest about the short term and optimistic and confident about the long term.

Interactivity and a better experience aren't always the same thing.

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.

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.

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

Taking smart risks can be very gratifying.