There's the part that I just want what I want, and I don't want to be bothered by anything else, and sort of the short-term more compulsive self. And then that's the longer-term, aspirational self that wants to be informed about the world and wants to be a good citizen. The best media basically helps us strike a balance between those two things.

It feels great to have your own views reflected back to you, and you feel so right, but actually it's very dangerous. Because to make good decisions, you need to have a clear view of what all the options are.

Your computer monitor is a kind a one-way mirror, reflecting your own interests while algorithmic observers watch what you click.

The algorithms that orchestrate our ads are starting to orchestrate our lives.

A world constructed from the familiar is the world in which there's nothing to learn.

In the last year, grassroots contributors like us gave more than $300 million to the Kerry campaign and the DNC, and proved that the Party doesn't need corporate cash to be competitive. Now it's our Party: we bought it, we own it, and we're going to take it back.

It's a civic virtue to be exposed to things that appear to be outside your interest. In a complex world, almost everything affects you – that closes the loop on pecuniary self-interest. Customers are always right, but people aren't.