Think about spam filters; if email didn't come from someone that someone you know knows, that's an important signal, and one we could embed in the environment; we just don't. I just want the world to be filtered through my social graph.

Our social tools are not an improvement to modern society, they are a challenge to it.

There is no larger collective-action problem than the environment. The three biggest lies of the environmental movement is that every little bit helps, you can do your part, and together we can do it.

There is a giant gulf between doing something and doing nothing. And someone who makes a lolcat and uploads it - even if only to crack their friends up - has already crossed that chasm to doing something. That's the sea change, and you can see it even with the cute cats.

Carpooling is important for urban density, air pollution and other reasons, but carpooling is not the kind of thing that actually changes the energy equation.

You used to have to own a radio tower or television tower or printing press. Now all you have to have is access to an Internet cafe or a public library, and you can put your thoughts out in public.