making them the lowest-cost form of videotelephony.
Unauthorized access of webcams can present significant privacy issues (see "Privacy" section below).
In December 2011, Russia announced that 290,000 Webcams would be installed in 90,000 polling stations to monitor the Russian presidential election, 2012.
If you are unhappy with the way Flash Player is functioning on your computer, please try switching to the HTML-5 site version by pressing on the "rocker".
However, please keep in mind that the HTML-5 site version has substantially limited features (non-optimal video quality possibility of delayed streaming).
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.
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.