As recently as the '70s, people were forced to see information that they didn't agree with in newspapers and the like. Now there is so much information you really can build your own walled garden that just has the stuff that reinforces your view. I think it applies to all of us. People are really going into these separate camps, and that's the big social challenge in this age of too much information. How do we crack that and create a common dialogue?

I live on a canyon at the edge of San Mateo. We are fortunate to have lots of suburban wildlife as our neighbors, though I kind of wish the rattlesnakes would stop curling up by our back door.

I worry about a society that can remember everything.

We do need to rethink privacy. I think we need to fall back on (former Supreme Court Justice) Felix Frankfurter's definition of privacy which is, "Privacy is the right to be left alone."

I think the most important thing that a company can do, not just in the customer space but the employee space, is to be completely open and completely honest. Don't pretend that you're doing something that you can not do. There's an old saying in Silicon Valley, "It's not a bug. It's a feature."

We've become more and more interrupt-driven. If you have six tasks to do in an hour, you can't just take 60 minutes and divide and have 10 minutes per task. You have 10 minutes per task minus the time required for context-shifting. That will be the next big challenge: figuring out how to fight the distraction-driven mode we're in and stay focused on one thing long enough to get it done.

Take cyberspace as an example. We had this wonderful utopian vision of a new home for the mind. What we've reaped isn't cyberspace. It's cyberbia. It's this vast, bland wasteland of vulgar people and trivial ideas and pictures of half-naked starlets. But despite all the uncertainty, has there ever been a more fascinating moment to be alive?