http://www.theguardian.com/technology/2016/mar/24/tay-microsofts-ai-chatbot-gets-a-crash-course-in-racism-from-twitter

http://www.independent.co.uk/life-style/gadgets-and-tech/news/tay-tweets-microsoft-ai-chatbot-posts-racist-messages-about-loving-hitler-and-hating-jews-a6949926.html

http://www.latimes.com/business/technology/la-fi-tn-microsoft-tay-tweets-20160325-htmlstory.html