This can be applied to games, providing additional control, improved interactivity and immersiveness.Free Track is a free webcam motion-tracking application for Microsoft Windows that can track a special head-mounted model in up to six degrees of freedom and output data to mouse, keyboard, joystick and Free Track-supported games.When sent to a remote location, the video stream may be saved, viewed or on sent there.

Video features, including faces, shapes, models and colors can be observed and tracked to produce a corresponding form of control.

For example, the position of a single light source can be tracked and used to emulate a mouse pointer, a head-mounted light would enable hands-free computing and would greatly improve computer accessibility.

Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.

The video streams provided by webcams can be used for a number of purposes, each using appropriate software: Most modern webcams are capable of capturing arterial pulse rate by the use of a simple algorithmic trick.

The term "webcam" (a clipped compound) may also be used in its original sense of a video camera connected to the Web continuously for an indefinite time, rather than for a particular session, generally supplying a view for anyone who visits its web page over the Internet.

Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.

making them the lowest-cost form of videotelephony.

Despite the low cost, the resolution offered at present (2015) is rather impressive, with low-end webcams offering resolutions of 320×240, medium webcams offering 640×480 resolution, and high-end webcams offering 1280×720 (aka 720p) or even 1920×1080 (aka 1080p) resolution.

The Webcam Social Shopper is one example of software that utilizes the webcam in this manner.