World's biggest tech show opens with rollable TVs and robots galore

The annual Consumer Electronics Show (CES), the world's biggest tech and gadget show, opened its doors on Tuesday with thousands of technology enthusiasts heading to Las Vegas to get a peek at the latest innovations

Drawing a big crowd was LG's rollable television — a 65-inch TV that rolls itself away into a sleek piece of furniture when it's not being used.

Robots, as always, were everywhere at CES. From a robot you can play ping-poing with to a robot personal assistant.