PixelRoller - Upcoming Tech

This is a great new product in the works. Once these guys make some more headway on ironing out the kinks, it should take off.

Basically, the PixelRoller is a Paint roller (like what you use to paint your house) that can print images (one color) on virtually any type of surface. Once they can make this multi-color and design a good user interface, it should allow you to put just about anything on your walls.