zehnergroup.comZEHNERTumblr (3.0; @matthewzehner)http://www.matthewzehner.com/Very cool multi-touch interaction design<iframe src="http://player.vimeo.com/video/13658956" width="400" height="225" frameborder="0"></iframe><br/><br/><p>Very cool multi-touch interaction design</p>http://www.matthewzehner.com/post/1144806955http://www.matthewzehner.com/post/1144806955Sat, 18 Sep 2010 12:13:00 -0700interaction designmulti-touchinterface designuser experience