The recent scandal with Facebook’s Trending Topics news module goes deeper than the revelation that it was humans all along hiding behind the algorithm. It should come as no surprise that Facebook has bias — every organization does. It’s what you do about the bias, how you attempt to disclose it and manage it, that makes a difference. News organizations have been grappling with that question for a long time, creating formal and informal codes of conduct, oversight systems and transparency rules.
Facebook Trending story: The Wizard of Oz algorithm
CNN, May 14, 2016