"Jeopardy" host Alex Trebek, left, poses with contestants Ken Jennings, center, and Brad Rutter and a computer named Watson in Yorktown Heights, N.Y. The computer defeated Jennings and Rutter this week in a match spread over three days. The computer was developed by IBM scientists. (AP Photo/Jeopardy Productions, Inc.)
Read the article: Machine's 'Jeopardy' win: When humans beat at own game, what can we do?