Social Media Facebook ‘emotional contagion’ study burns users Researchers manipulated the number of positive and negative statuses that nearly 700,000 people say in their Facebook news feeds. It’s legal, but is it right? By Barbara NixonJuly 3, 2014 SHARE Ragan Insider Premium Content I wonder if Facebook KILLED anyone with their emotion manipulation stunt. At their scale and with depressed people out there, it’s possible. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.