5 things to watch at the IFA gadget show in Berlin

Knoxville News Sentinel5 things to watch at the IFA gadget show in BerlinKnoxville News SentinelThousands of new gadgets, from drones to smart fridges are launched there each year. Among the most eye-catching items previewed before the events is the Rolly, a Bluetooth keyboard that can be folded into a long rectangular box. Its manufacturer ...and more »