So you’ve seen the dual trackpad patent, now check out this MacBook Touch concept based on that technology, which lets you control the interface from both sides of the display. Click here for first picture in gallery.
As the concept shows, the patent could avoid twisting screens completely on tablet-type computers. The transparent touch display will take the normal role of a multitouch surface when the computer is closed. The moment the computer is opened, using a normal clamshell move, the surface will display a keyboard or any other kind of user interface