Mario Armstrong, a digital lifestyle expert, talked to CNN about the Consumer Electronics Show (CES), which begins later this week. Armstrong is already in Las Vegas for the show. He says there over 30 football fields worth of technology exhibits at the show this year. We already know to expect tons of tablets. Other big tech gadget categories this year will include mobile digital television, internet television and 3D TV. Armstrong says green tech and mobile health could also be interesting categories this year. Take a look:
