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SmarterChild was the first-ever instant messaging bot with natural language comprehension ability. Xiaoice has over 200 million users in Asia and is one of the most successful NLP (natural language processing) bots. Hitee is the world’s first insurance specific chatbot. DoNotPay is a robot that brings the legal implications on fingertips. It helps users to appeal parking tickets in several cities, cancel a service/subscription, jump through support phone queue, schedule appointments, and sue anyone in small claims court.