the loebner prize is an annual competition that awards prices to the chatterbot considered by the judges to be the most humanlike of those entered.
the 2007 competition was held on october 21 in new york. no bot passed the turing test but the judges ranked the bots as 'most human'. you can chat online with an ultra hal assistant, this year's winner from zabaware's robert medeksza.
read more, chat with the famous a.l.i.c.e. or check out other chatterbots.