The top tech innovations of 2017

USA TODAY's Jefferson Graham gives his list of what he thinks are the coolest tech innovations of 2017. LOS ANGELES -- When you can get a drone to respond to your commands by waving your hands, it's hard to top that as one of the most fascinating tech innovations of the year. You don't have to know much about operating the DJI Spark Drone. Want to go up or to the side? This is fun stuff that takes a lot of the learning curve out of flying a drone.