Just Watch These Videos:
[kml_flashembed movie="http://www.youtube.com/v/5s5EvhHy7eQ" width="425" height="350" wmode="transparent" /]
Low-Cost Multi-touch Whiteboard using the Wiimote
[kml_flashembed movie="http://youtube.com/v/Jd3-eiid-Uw" width="425" height="350" wmode="transparent" /]
Head Tracking for Desktop VR Displays using the WiiRemote
[kml_flashembed movie="http://www.youtube.com/v/0awjPUkBXOU" width="425" height="350" wmode="transparent" /]
Tracking Your Fingers with the Wiimote
[kml_flashembed movie="http://www.youtube.com/v/nhSR_6-Y5Kg" width="425" height="350" wmode="transparent" /]
Foldable Interactive Displays