In fact, there are now chatbots for all kinds of things, from weather updates to health advice, as the popularity of smartphone messaging apps driven by artificial intelligence grows. Mobile messaging apps were used by 1.6 billion people in 2016, and will reach two billion in 2018, or 80 percent of all smartphone users, according to the digital data researcher eMarketer. Another sign of their growing influence was evident last April, when Facebook announced it was opening its Messenger app to any outside company that wants to integrate its own bots into the chat program. Get the full story at The New York Times