These Will Be the 6 Hottest Categories at CES

Wearables will be even more wearable. TVs more viewable. Drones more available. 3-D more printable. This year's Consumer Electronics Show will feature everything from biometric socks to 3-D scanners, and it's all of interest to tech-hungry marketers and brands that want to play with the next product that might give them a new line into customers and behavior.