" There is another problem. Echo chambers can lead people to believe in falsehoods, and it may be difficult or impossible to correct them. Falsehoods take a toll. One illustration is the belief that President Barack Obama was not born in the United States. As falsehoods go, this one is not the most damaging, but it both reflected and contributed to a politics of suspicion, distrust, and sometimes hatred. A "

― Cass R. Sunstein , #republic: Divided Democracy in the Age of Social Media