In a personalized world, important but complex or unpleasant issues are less likely to come to our attention at all.

The Internet is showing us what it thinks we want to see, but not necessarily what we need to see.

By constantly moving the flashlight of your attention to the perimeter of your understanding, you enlarge your sense of the world.

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.

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.

Democracy actually requires that the whole public be able to see common problems and address them and step outside of their own sort of narrow self-interest to do so.

I think it's easier than ever to hear only what you want to hear. That doesn't make a good citizen.