LG Electronics Shows Expansive Capabilities of Mobile Digital TV, Demonstrating 'Tweet-TV' Social Networking, Electronic Coupons, 'Glasses Free' 3D

LAS VEGAS, April 11, 2011 /PRNewswire/ -- As mobile digital television broadcasts ramp up this year, the television receiver of the future will fit in the palm of your hand and do much more than just deliver breaking news, weather alerts, and favorite shows.  In fact, the very digital TV broadc