Chatbots have exploded in 2017. In previous years they were just an interesting idea to play around with to test how smart computers are getting. Now, researchers and companies are finding cool real-world applications for chatbots. They are helping us stay healthier, manage our meetings, keep up with the news, and even learn languages. It’s also possible to make your own chatbot if you know what you’re doing. Here are seven chatbots that are finding…