Future versions of Mac OS X could include virtual input tools
An Apple patent (number 20100245250) for virtual input tools hint at some potentially fascinating developments in upcoming versions of the Mac OS X. A virtual input device, e.g., a virtual representation of a physical input device, is disclosed.
http://www.macsimumnews.com/index.php/archive/future_versions_of_mac_os_x_could_include_virtual_input_tools/
