Facebook revealed a ratings system it has been developing over the past year, assigning users a “reputation score” that estimates their trustworthiness on a scale from zero to one. The idea behind the system is to weed out bad actors, according to Facebook product manager Tessa Lyons who is in charge of the battle against fake news. Up until now, Facebook, like other tech companies, has depended on users to report problematic content, but discovered that users began to file false reports about items they said were untrue. Continue reading Facebook, Twitter Turn to Algorithms to Weed Out Bad Actors