"So, O.K. Here I am, telling you this: An A.I. program powerful enough to turn Michelle Obama into a pornography star, or transform a schlubby newspaper columnist into Jake Gyllenhaal, is in our midst. Manipulated video will soon become far more commonplace. And there’s probably nothing we can do except try to bat the fakes down as they happen, pressure social media companies to fight misinformation aggressively, and trust our eyes a little less every day. Godspeed, rebels."