Patent 8732623 was granted and assigned to Microsoft on May, 2014 by the United States Patent and Trademark Office.
This document describes tools for inputting data into a computer via the movement of features of a user as detected by a webcam or other input device. This is accomplished by a user moving his or her features in view of a webcam. The webcam or other input device then detects the presence and motion of the feature(s) and converts these motions into input signals to execute predetermined input instructions.