Most of the time when you think of an animated tattoo, you think of some chick with a Tweety Bird tattoo on her ankle or some such nonsense.
A tattoo artist named K.A.R.L. at the Mystery Tattoo Club in Paris France tattooed a matix code, that's one of those funny square looking bar codes, to link to an animation of the tattoo.
It's really pretty cool. Check it out for yourself