Most people don't have any association in their minds with what they do and with ethics. They think they somehow moved past the questions of morality or values or ethics, and that's something that I've never imagined to be true.

You'll never be able to really measure anything, right? Including teachers.

Every system using data separates humanity into winners and losers.

We've learned our lesson with finance because they made a huge goddamn explosion that almost shut down the world. But the thing I realized is that there might never be an explosion on the scale of the financial crisis happening with big data.

Google is so big you have no idea what a given person does.

Evidence of harm is hard to come by.

The NSA buys data from private companies, so the private companies are the source of all this stuff.