これはユニーク 掌マーカー ! - MARISIL.ORG : Handsmart Mobile Augmented Reality User Interface prototype #AR

Making a phone call using Mobile Augmented Reality: the user has only the hands that are recognized by the system and the see-through glasses.
 Check out also from:
http://marisil.org and http://augumenta.com


Courtesy Hiroshi Sasaki (2001)

(via YouTube)