Not every show has to work equally well. It just has to work better than any competitor because then we can outbid for the content.

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.

Don't be afraid to change the model.

What's got me excited about the education space is the growth of the Internet over the next 10, 20, 30 years.

Human entertainment will have moved on to something new. Then the ultimate challenge for us is, can we figure out what that new form of entertainment is?

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

Something will eventually replace the Internet. But it's hard to know what and when it will happen.