A post long overdue. Responding to an earlier AdverLab post on QR code uses, Dennis from ShotCode pointed in the direction of a brave soul who has decided to go clickable and tattooed the said code on her neck. Melissa, the tattoo owner, says, "It didn't point to exactly the right url (something about Sprite, in Spanish..) but i'm still really pleased with it."
From the ShotCode site: "The circular sequence of black and white blocks represents a url, any url you want, for example to your products website or a point of sale. The ShotCode reader understands this code and connects the end users mobile phone to your location in three clicks or less!"
And here's what the code looks like on an outdoor ad (more pics here):