** Summary ** A '''Natural User Interface''' is a [user interface] that allows humans to communicate with the computer using standard modes of human communication such as speech or gestures, and to manipulate virtual objects in a fashion similar to the way humans manipulate physical objects ** See Also ** [KineTcl]: a binding of the [http://www.openni.org/%|%OpenNI] framework (version 1), providing Tcl with access to MS Kinect (tm), and related sensor systems