“To review: Customized feeds become optimized to “engage” each user, often with emotionally potent cues, leading to addiction. People don’t realize how they are being manipulated. The default purpose of manipulation is to get people more and more glued in, and to get them to spend more and more time in the system.7 But other purposes for manipulation are also tested. For instance, if you’re reading on a device, your reading behaviors will be correlated with those of multitudes of other people. If someone who has a reading pattern similar to yours bought something after it was pitched in a particular way, then the odds become higher that you will get the same pitch.”