While we're still stuck with 20th-century style bar codes 'round these parts, our friends around the world (mostly Japan) are currently enjoying the abstract art and added info of QR codes
. You can, of course, read 'em with a cellphone camera, but if that's not convenient enough you might want to consider Elecom's latest mouse, the M-CZ1UR, which'll cease its cursor pushing duties and turn into a ColorCode reader at the push of a button. Apart from that, the M-CZ1UR looks to be a fairly standard, if undeniably stylized, optical mouse, with 1,000 DPI resolution and the standard USB interface. No word on what you can expect to shell out or even Japanese availability, so you'll still have to do your ColorCode reading the old fashioned way for the time being.
[Via Akihabara News