They can also be used for different functions as users can watch a video on one screen and input commands on the other, or check email on one screen and use the other as a soft keyboard.
This version is clearly made for tablets, andother large-screen devices there is a video accompanying the post that shows nothing but tablet functions.
The universal communicator is a mobile phone that also has onboard personal digital assistant functions, a video camera, several different wireless technologies and can stream audio andvideo to other devices.