You can't pick up the telephone and say, 'Connect me with someone else who has a kid with leukemia.'

Communicating online goes back to the Defense Department's Arpanet which started in 1969. There was something called Usenet that started in 1980, and this gave people an opportunity to talk about things that people on these more official networks didn't talk about.

The Amish communities of Pennsylvania, despite the retro image of horse-drawn buggies and straw hats, have long been engaged in a productive debate about the consequences of technology.

Essentially pursuit of happiness is saying, everything's allowed until we come down on it.

Attention is a limited resource, so pay attention to where you pay attention.

In Japanese organizations, before you have a meeting and you've got an idea that you want to get across, you go talk to everyone and list them. And then the meeting, you don't do it American style where everyone gets up and advocates and conflicts and decides, you get up and formalize agreements.

Inexpensive phones and pay-as-you go services are already spreading mobile phone technology to many parts of that world that never had a wired infrastructure.