Microsoft to use nanotechnology on 360 games

"We use color to store more information," said Gavin Jancke, director of engineering for Microsoft’s Redmond, Wash., research labs. Jancke is the creator of the new bar code format, which uses either four or eight color hues to pack more data into less space. The new bar code also uses small triangles, as opposed to the squares used in the 2D black and white bar codes and the alternating thin and thick lines used in traditional UPC symbols".