How Facebook’s news feed algorithm works.

Every time you open Facebook, one of the world’s most influential, controversial, and misunderstood algorithms springs into action.

There’s a potential downside, however, to giving users this sort of control: What if they’re mistaken, as humans often are, about what they really want to see? What if Facebook’s database of our online behaviors really did know us better, Could giving people the news feed they say they want actually make it less addictive than it was before?


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