> The trainers are a group of a few dozen human contractors working in Facebook’s headquarters. These humans, as Marcus explained it, review each of the AI’s re

> The trainers are a group of a few dozen human contractors working in Facebook’s headquarters. These humans, as Marcus explained it, review each of the AI’s responses and decide whether they’re good enough to pass along, or whether they need revising. So the AI of the future is being trained by a group of stressed-out and underpaid humans screening machine output as quickly as possible. How could this possibly go wrong?