Monday, October 23, 2006

IBM Sues Amazon Over Patents

The patents at the center of the dispute are broad, and IBM alleges they cover parts of Amazon's elaborate product-recommendation system. That system shows customers products related to the one they're looking at, and also shows them other products purchased by like-minded customers. The patents also cover the way Amazon displays advertising on its site to match customer preferences, and how the retailer stores shopping data to build customer profiles.

Some of the patents were first filed in the 1980s, including one titled "Ordering Items Using an Electronic Catalog."


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