Facebook news bias kerfuffle: Explained in 5 brief points

What’s behind the accusations that Mark Zuckerberg led Facebook is manipulating its ”trending topics” feature to promote or suppress certain political perspectives?
According to the technology blog Gizmodo , which is owned by Gawker Media, a former Facebook contractor with self-described conservative leanings said Facebook downplayed news that conservatives are interested in and artificially promoted liberal issues such as the ”BlackLivesMatter” hashtag. Gizmodo did