The Return of the Old
10 months ago
Five years from now, it is likely that the mobile phone you will be holding will be a smooth, sleek brick — a piece of metal and plastic with a few grooves in it and little more.
Like the iPhone, it will be mostly display; unlike the iPhone, it will respond to voice commands and gestures as well as touch.
form http://blog.wired.com/gadgets/2008/11/buttons-make-wa.html