Not since the chess showdown between Garry Kasparov and Deep Blue has a competition between man and machine received so much attention.
IBM's supercomputer Watson took on former Jeopardy! champs Ken Jennings and Brad Rutter for their final matchup Wednesday. Jennings earned $24,000 overall and Rutter $21,600, winning prizes of $300,000 and $200,000 respectively.
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