It took just two tweets for an internet troll going by the name of Ryan Poole to get Tay to become antisemitic. Tay was a “chatbot” set up by Microsoft on 23 March, a computer-generated personality to simulate the online ramblings of a teenage girl. Poole suggested to Tay: “The Jews prolly did 9/11. I don’t really know but it seems likely.” Shortly thereafter Tay tweeted “Jews did 9/11” and called for a race war. In the 24 hours it took Microsoft to shut her down, Tay had abused President Obama, suggested Hitler was right, called feminism a disease and delivered a stream of online hate.
By Paul Mason; more at The Guardian