The technology is quite old.. seems to be born out of a pre-2001 project called ASSIST ( http://rationale.csail.mit.edu/project_assist.shtml http://rationale.cs

The technology is quite old.. seems to be born out of a pre-2001 project called ASSIST ( http://rationale.csail.mit.edu/project_assist.shtml http://rationale.csail.mit.edu/project_assist.shtml ). Microsoft has a Power Tool for Tablet PC's called Physics Illustrator that does something similar: http://www.microsoft.com/windowsxp/downloads/powertoys/tabletpc.mspx http://www.microsoft.com/windowsxp/downloads/powertoys/table...