Though we are optimistic, we must remain vigilant and maintain a sense of urgency.

The killer app that got the world ready for appliances was the light bulb. So the light bulb is what wired the world. And they weren't thinking about appliances when they wired the world. They were really thinking about - they weren't putting electricity into the home. They were putting lighting into the home.

Ebooks had to happen.

And I still buy books at B&N, Borders and Elliot Bay ... I probably shouldn't admit this. But I don't care. I love great bookstores.

One of the huge mistakes people make is that they try to force an interest on themselves. You don't choose your passions; your passions choose you.

I don't buy stocks, I make stocks.

You want to look at what other companies are doing. It's very important not to be hermetically sealed. But you don't want to look at it as if, 'OK, we're going to copy that.' You want to look at it and say, 'That's very interesting. What can we be inspired to do as a result of that?' And then put your own unique twist on it.