Amazon.com surfing your hard drive for targeted ad

Jewfro_Macabbi writes: Recently after browsing major online retailers for bluetooth adapters, I went to amazon.com to find front page ads for, you geussed it, bluetooth adapters. Disable cookies, the ad goes away. Re-enable cookies, and the ad re-appears. The eula is a bit ambiguous as usual: http://www.amazon.com/gp/help/customer/display.htm l/103-0032908-9821467?ie=UTF8&nodeId=468496 Try it for yourself and see.