Saw a great intro article on Business Insider. It was called CHATBOTS EXPLAINED: Why businesses should be paying attention to the chatbot revolution. It does a nice job of explaining artificial intelligence, chatbots and why they have so much momentum. http://www.businessinsider.com/2016-10-2-a-chatbots-explained-why-businesses-should-be-paying-attention-to-the-chatbot-revolution-2016-9