Heartening that he examined at least some of the related work that came before him.<p>He found: <a href="http://gestureworks.com/features/open-source-gestures/" rel="nofollow">http://gestureworks.com/features/open-source-gestures/</a> && <a href="http://www.lukew.com/ff/entry.asp?1071" rel="nofollow">http://www.lukew.com/ff/entry.asp?1071</a> && <a href="http://blog.rongeorge.com/design/gesturcons/" rel="nofollow">http://blog.rongeorge.com/design/gesturcons/</a> && <a href="http://gesturecons.com/" rel="nofollow">http://gesturecons.com/</a> (which I didn't know about)<p>He missed: <a href="http://www.kickerstudio.com/blog/2008/12/touchscreen-stencils/" rel="nofollow">http://www.kickerstudio.com/blog/2008/12/touchscreen-stencil...</a> && <a href="http://mattgemmell.com/2010/07/14/touch-notation/" rel="nofollow">http://mattgemmell.com/2010/07/14/touch-notation/</a>