Dr. Pierre Darmon, a director of Westchester PC Users Group, will demonstrate IBM’s Watson computer. Dr. Darmon will talk about the history of Watson, the "Jeopardy!" competition, as well as demonstrate how the Watson technology is applied to the world of medicine and financial services. Westchester PC Users Group (www.wpcug.org) is a Westchester County-based computer club offering workshops and visiting lecturers.