That's what we do when we work in Silicon Valley tech startups: We think about who's going to benefit from this. That's almost the only thing we think about.

Evidence of harm is hard to come by.

Every system using data separates humanity into winners and losers.

When I think about whether I want to take a job, I don't just think about whether it's technically interesting, although I do consider that. I also consider the question of whether it's good for the world.

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

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.

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.