AI and robotics execs look back tech trends of 2019

AI and robotics are increasingly working together. As 2019 winds down, every news media and technology site is pausing to reflect on the biggest trends of the past year. Some aspects of robotics and artificial intelligence are advancing rapidly; others, not so much. What should AI and robotics developers recall as they prepare for a new year? In your opinion, what was the biggest news in AI and robotics in 2019?