"You've heard the stories about the dark side of the internet--hackers, #gamergate, anonymous mobs attacking an unlucky victim, and revenge porn--but they remain just that: stories. Surely these things would never happen to you. Zoe Quinn used to feel the same way. She is a video game developer whose ex-boyfriend published a crazed blog post cobbled together from private information, half-truths, and outright fictions, along with a rallying cry to...