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Not strictly network related, but... There's a controversy going on over patents regarding on-line learning. Blackboard, Inc. has been awarded a U.S. patent for techniques used in on-line learning management systems, and has filed suit against one of its competitors, Desire2Learn, for infringing on it. Critics contend that the ideas that were patented were pre-existing and not original to Blackboard. http://news.yahoo.com/s/ap/20060827/ap_on_hi_te/e_learning_dispute