I've thought about this idea for a while, so it's nice to see someone implement it. Amazon tells you that people who bought A also bought B, C, D, ... But what

I've thought about this idea for a while, so it's nice to see someone implement it. Amazon tells you that people who bought A also bought B, C, D, ... But what they don't tell you is whether the people actually liked any of the items. This idea could be parlayed into similar music and movie sites.