What's real? What's fake? With more than 1 billion people using Facebook, the company's artificial intelligence algorithms can’t answer these questions, so it hired outside firms to moderate content. These human "content moderators" decide what’s fake, real, satire, inappropriate and illegal. No surprise: It's not working. Hear from Brooke Binkwoski, former Facebook fact-checker, about the real story, and learn how Facebook's content moderators watch the seedy side of life all day, so you don't have to.