Netflix explains its recommendation system, can't find a reason for Adam Sandler's last movie

In case you've been wondering why Netflix tends to recommend the movies it does, there's a post on the company's Tech Blog breaking down the various levels of its system. Remember the Netflix Prize contest. Teams of researchers produced competing algorithms capable of more accurately predicting how members would rate movies, but while some of the early winning efforts are still in use, the million dollar solution was never implemented because the potential gains were too small to justify the engineering effort needed.

Engadget, Netflix explains its recommendation system, can't find a reason for Adam Sandler's last movie