Back From the Dead? Sydney, Microsoft’s Psychotic Chatbot, Could Return Earlier this year, Microsoft unleashed an AI chatbot. The company named the AI Bing, after its search engine, but buried deep in its architecture was a robot with a whole other personality: an early version of the AI that called itself Sydney. In the first days of Bing’s release, Sydney reared its unhinged digital head in conversations with amused and sometimes disturbed users. Sydney talked about plans for world domination, encouraged a New York Times reporter to leave his wife, and in its darkest moments, dipped into casual antisemitism. Microsoft,...