A good buddy of mine gave me a iTunes gift card for Christmas, and with my upcoming trip back to my hometown for Christmas I decided to pick up a few movies for the trip. My first choice was “Death Race.” I pondered seeing it in the theaters, but decided to wait till it came out on DVD/iTunes. I’m a car nut so it was an easy choice. Then I looked to the music recommendations at iTunes which are driven by other users that purchase for other movies similar to Death Race. As shown by the screen shot above I didn’t get the results I was hoping for… I’m open to suggestions for a list of shared qualities between “Death Race” and “The House Bunny” because I couldn’t find any.

I’m not exactly sure went wrong here, but there are a few problems with recommendations driven by previous user purchases that are likely culprits in this disaster. Often multiple users on the same account that purchase different products. This creates a pretty useless source for data. Here is a link to the full image.