*Facebook and Falsehood* By Henry Farrell January 15, 2017 After the election, many people blamed Facebook for spreading partisan — and largely pro-Trump — "fake news," like Pope Francis’s endorsement of Trump, or Hillary Clinton’s secret life-threatening illness. The company was assailed for prioritizing user "engagement," meaning that its algorithms probably favored juicy fake news over other kinds of stories. Those algorithms had taken on greater prominence since August, when Facebook fired its small team of human beings who curated its "trending" news section, following conservative complaints that it was biased against the right. Initially, Facebook denied that fake news could have seriously affected the election. But recently it announced that it was taking action. The social-media giant said it would work with fact-checking organizations such as Snopes and Polifact to identify problematic news stories and flag them as disputed, so that people know that they are questionable. It will also penalize suspect stories so that they are less likely to appear in people’s news feeds. In each instance — the decision to remove human editors in August and the recent decision to use independent fact-checkers — Facebook has said that it cannot be an arbiter of truth. It wants to portray itself as a simple service that allows people and businesses to network and communicate, imposing only minimal controls over what they actually say to one another. This means that it has to outsource its judgments on truth — either by relying on "machine learning" or other technical approaches that might identify false information, or by turning to users and outside authorities. […] Continua qui: http://www.chronicle.com/article/FacebookFalsehood/238867