This is both cool and significant. Start by watching the video in the embedded tweet:
These were created on a Mac using an app called EyeJack Creator. Imagine the possibilities.
On the art side, there are paths for animation and storytelling. And there is also the possibility of embedding hidden copyright information tied to a specific design.
There is also the possibility of tying hidden messages to a temporary tattoo, something akin to steganography. Very interesting.