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.

When people are not given an option by some secret scoring system, it's very hard to complain, so they often don't even know that they've been victimized.

The public trusts big data way too much.

I don't think anybody's ever notified that they were sentenced to an extra two years because their recidivism score had been high, or notified that this beat cop happened to be in their neighborhood checking people's pockets for pot because of a predictive policing algorithm. That's just not how it works.

I set up a company, an algorithmic auditing company myself. I have no clients.

An insurance company might say, "Tell us more about yourself so your premiums can go down." When they say that, they're addressing the winners, not the losers.