Touch Screen Input As It Should be

• https://leapmotion.com/
• http://celluon.com/products.php
• http://solidsmack.com/3d-cad-technology/goodbye-3d-mouse-amenbo-5-finger-mouse-is-5-fingers-of-awesome/
• http://solidsmack.com/3d-cad-technology/brando-usb-triple-foot-switch-for-3d-cad-design/

• http://asetniop.com/

• http://fluid.media.mit.edu/people/natan/current/luminar.html