Facebook has shut down a controversial chatbot experiment that saw two AIs develop their own language to communicate.  The social media firm experimented with teaching two chatbots, Alice and Bob, how to negotiate with one another. However, researchers at the Facebook AI Research Lab (FAIR) found that they had deviated from the script and were inventing new phrases without any human input. Facebook’s AI researchers were teaching chatbots how to negotiate The bots were left unsupervised and developed their own machine…