Why Netflix knows you so well

http://www.wired.com/underwire/2013/08/qq_netflix-algorithm/

Ever wondered how Netflix comes up with all those movie recommendations? Wired interviewed two of the company’s engineers, who talk about the logic behind its algorithms, the fact that people don’t rate movies as much as they used to and those 40 people that hand-tag videos for Netflix all day long. An interesting read, even if you don’t always agree with Netflix’s suggestions.