Wimbledon introduced a chatbot called Fred in 2017 to answer questions and help fans navigate the tennis tournament’s grounds. Attendees were encouraged to “Ask Fred” for help with directions, dining options and other information to enhance their in-venue experience.Fred is powered by Watson, IBM’s artificial intelligence platform. The chatbot, which returned in 2018, was Wimbledon’s most visible use of AI to fans. But behind the scenes the tournament deployed Watson’s power and …