DISPLAX™ Multitouch Technology

Multi-touch detection: DISPLAX™ Multitouch Technology detects 16 fingers simultaneously on a 50-inch screen (to increase as technology development progresses)

Air-movement detection: DISPLAX™ Multitouch Technology detects when someone blows onto the surface, measuring the intensity and direction of the air flow.

http://www.displax.com/en/future-labs/multitouch-technology.html

http://www.spiegel.de/netzwelt/gadgets/0,1518,675690,00.html