We like crazy concepts especially when it comes to Nokia Concept Lab.
Nokia GEM which revolutionizes mobile design by turning the entire handset into a touchscreen.
The GEM device changes appearance from camera to phone or map according to the function selected by the user. It could even display advertising messages on the back of the phone.
The back and front are also interactive, making it possible to pinch and zoom the rear of the phone while getting a constant clear view of the image on the front.