Amazing webcam based sequencer software - for free!

If you´ve got a PC or Mac with a webcam and a printer, check out audio d-touch. It´s a collection of applications for real-time musical performance with an innovative interface that relies on the spatial arrangement of physical objects on a surface. Check out this video:

You have to register, but the download is free, and it´s certainly an exciting idea. Let us know what you think of this unusual bit of software!