QUOTE : Tristan Harris, former Google design ethicist and expert in how technology hijacks our psychological vulnerabilities, compares social media notifications to slot machines.51 They both deliver variable rewards: you’re curious, will I have two Likes or two hundred? You click the app icon and wait for the wheels to turn—a second, two, three, piquing your anticipation only makes the reward sweeter: you have nineteen Likes. Will it be more in an hour? You’ll have to check to find out. And while you’re there, here are these fake news stories that bots have been littering the information space with. Feel free to share them with your friends, even if you haven’t read them—you know you’ll get your tribe’s approval by sharing more of what they already believe.