‘Facebook: Here’s How Your News Feed Works’ – ‘Mashable’

Kurt Wagner says, “Your Facebook News Feed is a hodgepodge of information: some of it you love, some of it you hate, and some of it may just make you scratch your head. The average user’s News Feed has around 1,500 possible stories filtered through per day, according to Lars Backstrom, engineering manager for Facebook’s News Feed ranking. But only 20% of them actually make your feed.

So how does Facebook determine which 20% you see?”.