They had human qualities a Jeopardy computer could never approach: fluency in language, an intuitive feel for hints and suggestion, and a mastery of ideas and concepts. Beyond that, they appeared to boast computer-like qualities: vast memories, fast processors, and nerves of steel. No tip-of-the-tongue glitches for Jennings or Rutter. But would a much-ballyhooed match against a machine awaken their human failings? Ferrucci and his team could always hope.

Author: Stephen Baker