Element labs has created a whole line of very cool pixel products like the Versa Tile digital wallpaper. Versa Tile transforms your wall into a series of pixels which can be used to show animated designs. You HAVE To watch the video.
The site explains how this marvelous LED creation works: "Each tile is edge-lit by LEDs to give smooth light output. Like building blocks, tiles can be placed together in any configuration. Proven LED video display technology lets Versa TILE produce a broad spectrum of rich, saturated colorsâ€”as well as flesh tones, browns, grays and other color not possible with conventional lighting technology."