On the Radio
20050317: Economics 113: Practice Exam for Second Midterm

When Collaborative Filtering Programs Attack!

Michael Berube writes:

Michael Bérubé Online: I bought "Goodbye Yellow Brick Road" from Amazon.  I’m not sure why I did it.... [O]ver the short term, that purchase was a terrible mistake.  For weeks afterward, folks, I was presented with Amazon e-mails telling me that the people who’d purchased Goodbye Yellow Brick Road had also purchased the whole Parade of Lite Horribles, from Rod Stewart to Billy Joel to Phil Collins to Michael Bolton Himself.  Panicking, I quickly ordered all of Brian Eno’s ambient albums as well as some Soul Coughing to throw Amazon off the scent...