PC World - Wrapping up a three-day run on the Jeopardy game show, IBM's Watson computer has beaten two former champions in a historic match of man versus machine.
Source: http://us.rd.yahoo.com/dailynews/rss/enterprise/*http://news.yahoo.com/s/pcworld/20110217/tc_pcworld/ibmwatsonvanquisheshumanjeopardyfoes
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