A new concept from Philips Design
http://www.design.philips.com/probes/projects/tattoo/index.page

The Electronics Tattoo film expresses the visual power of sensitive technology applied to the human body. The film subtly leads the viewer through the simultaneous emotional and aesthetic transformations between two lovers.

via http://centralasian.vox.com

This effect would look really cool in movies, stills, and live picture frames.