Actually their recommendation engine is a little too accurate. It drives as much as 70% of their views. They have to purposely randomize it. For those curious h

Actually their recommendation engine is a little too accurate. It drives as much as 70% of their views. They have to purposely randomize it. For those curious how it works: See the brilliant talk from the guy who heads it up himself (this was a great talk to attend in person) http://www.mlconf.com/mlconf-2013/mlconf-2013-agenda/xavier-amatriain/ http://www.mlconf.com/mlconf-2013/mlconf-2013-agenda/xavier-... One reference I could find for the statistic from google: http://blog.kissmetrics.com/how-netflix-uses-analytics/ http://blog.kissmetrics.com/how-netflix-uses-analytics/ I don't think they'll have to worry about this anytime soon.