1. A method for differentiation of a touch input in a touch sensitive device, the method comprising: extending an object of a plurality of objects, each of the plurality of objects having a different corresponding identity; determining, by an external device, an identity of the extended object based on one of a detection of a contraction of muscles of a forearm or a detection of movement of tendons of a wrist; communicating the determined identity of the extended object from the external device to the touch sensitive device; when the identified extended object is within a threshold distance of the touch sensitive device, indicating, on the touch sensitive device, an editing function of an application currently executed by the touch sensitive device, the editing function corresponding to the communicated identity of the extended object without performing the editing function; and when the identified extended object touches the touch sensitive device, performing the editing function according to the communicated identity of the extended object.