“Facebook has been, among other things, tuning its algorithm to promote the most divisive material possible,” he said. “Because that is what will increase engagement and because that is what will get you to, what they call inside the hallways of Facebook, the infinite scroll.” The end result has been to polarize Americans and the world with extreme-left and extreme-right misinformation.

https://www.nbcnews.com/news/us-news/asked-social-network-sequel-aaron-sorkin-teases-new-movie-blaming-face-rcna149583