Except that it's not just reflexes. Watson has to compute the answer before the humans. That's no small task. This video is a great technical explanation of how

Except that it's not just reflexes. Watson has to compute the answer before the humans. That's no small task. This video is a great technical explanation of how it works: http://www.youtube.com/watch?v=3G2H3DZ8rNc&feature=youtube_gdata_player http://www.youtube.com/watch?v=3G2H3DZ8rNc&feature=youtu...