“A new research article published by the Proceedings of the National Academy of Sciences of the United States of America (PNAS) doesn’t bode well for efforts to fight political extremism and polarization. The paper’s authors analyzed 2,730,215 Twitter and Facebook posts published by members of the news media and U.S. Congresspeople, and came to the conclusion that the quickest way to social media success is to attack members of the ‘out-group.'” TLDR: Dunking on people goes viral. Dunking back makes it worse. New study highlights the virality of hate.