What did one chatbot say to the other chatbot? Quite a lot, actually -- but good luck making any sense out of it. That's what researchers from Cornell's Creative Machines Lab recently discovered, after pitting two bots against one another for a good ol' fashioned talk-off. It's all part of the lab's submission to this year's Loebner Prize Competition in Artificial Intelligence -- an event that awards $100,000 to the team whose computer programs can conduct the most human-like conversations. Unfortunately for Cornell's squad, their chatbots still have a lon