Many, many Facebook users still don’t know that their news feeds are filtered by an algorithm

For heavy Facebook users, let alone social media gurus, the idea that Facebook’s news feed is filtered by an algorithm is very, very old news. But a majority of everyday Facebook users in a recent study had no idea that Facebook constructs their experience, pushing certain posts into their stream and leaving others out. And worse, many participants blamed themselves, not Facebook’s software, when friends or family disappeared from their news feeds.