Microsoft's Kinect is normally spoken of in terms of its practical applications. Let's take a break from that, and use its "thousand points of light" as the basis for a beautiful photographic exhibit.
Photographer Audrey Penven has put together a collection called "Dancing with Invisible Light", which drops a number of her subjects in the dark and then lights them up using Kinect's infrared scanners.
It's like a disco! Only, you don't have to wear stupid shoes.