More innovative use, long before...
http://www.youtube.com/watch?v=f3qv2dSXQXk
(Skip the first couple of minutes to jump to the demo of the QR tattoo being scanned.)
The bafflingly ubiquitous Quick Response (QR) code may have finally found its ideal use case after a Turkish tattoo parlour decided to feature the 21st century bar-code in an ingenious scheme to weed out job applicants. Istanbul ad agency BÜRO was recently hired by upmarket tattoo emporium Berrge Tattoo to help it hire some …