New research published Thursday offers an unprecedented dive into political behavior across Facebook and Instagram — two major online hubs where people express and engage with their political beliefs. \nSince then, users have built many other custom feeds, like those focused on types of content — like science, dog pics, gardening, art and more — or those that help you to view your social graph in a different way — like a mutuals feed, a feed of only photos posted by people you follow, or a feed that’s customized based on your likes, for instance. “We found that users in the Chronological Feed group spent dramatically less time on Facebook and Instagram,” the authors wrote, a result that underlines how Meta juices engagement \u2014 and encourages addictive behavioral tendencies \u2014 by mixing content in an algorithmic jumble