“Research shows that if people are talking and listening to like-minded others, they become more dogmatic, more unified, and more extreme. Personalized Facebook experiences are a breeding ground for misunderstanding and miscommunication across political lines and, ultimately, for extremism.”

American legal scholar and author

Cass Robert Sunstein is an American legal scholar and author. He served from 2009 to 2012 as administrator of the White House Office of Information and Regulatory Affairs in the Obama administration. His work ranges across U.S. constitutional law, administrative law, environmental law, and behavioral economics. He is also the co-author of Nudge (2008) and the author of The World According to Star Wars (2016), a New York Times best seller.