IBM’s Watson computer system, powered by IBM POWER7, competes against Jeopardy!s two most successful and celebrated contestants — Ken Jennings and Brad Rutter — in a practice match held during a press conference at IBM’s Watson Research Center in Yorktown Heights, NY on January 13, 2011. Watson will compete against Jennings and Rutter in the first-ever man vs. machine Jeopardy! competition, which will air on February 14, 15 and 16, 2011, with two matches being played over three consecutive days.