IT IS 2016 and artificial intelligence, or AI, is now a slightly worn idea, a long-simmering sauce that we occasionally glance at to check if it has reached a boil. Of late, the heat has been turned up by the Goliaths of the tech world—Amazon, Apple, Facebook, Google, IBM and Microsoft—who are using it to make the tools we use every day tools smarter, and by its Davids: the startups that employ AI to predict disasters, hasten drug discovery, and build chatbots with the emotional quotient to engage patients with chronic ailments. With improved computational power derived from GPU acceleration and the ubiquity of connected devices, the tools of AI—computer vision, pattern recognition, machine learning and deep learning—are finally being harnessed to remarkable effect. The sauce, which had been reduced…