Facebook controversy shows journalists are more complicated than algorithms

Facebook, Twitter, Snapchat and Google have moved outside their comfort zone by trying to curate 'unbiased' news - but journalists aren't like computers

Silicon Valley is trying to make the news business as neutral as its code. The problem is the humans.

Facebook learned this the hard way this week after a report that staff it contracted to manage its "trending" articles section had suppressed certain stories, such pieces about Facebook or news of interest to conservative users.