Netflix in 2006 held an open competition to find the collaborative filtering algorithm that would best predict whether or not a user would like a particular film or TV show based on previous ratings.

Facebook’s News Feed algorithms determine how we socialize. Netflix’s and Amazon’s collaborative filtering algorithms choose products and media for us. You hear it everywhere. “Google ...

Whether we’re using Spotify, Amazon, Netflix or Instagram, we encounter algorithms that recommend ... The first, “collaborative filtering,” is based on ratings by other users with similar ...