Web Cam
From InforWiki 2014
A webcam is a video camera that streams its image in real time to or through a computer to computer network, or it could be saved
--Common uses-- -videophones -videoconference stations -security surveillance - computer vision -video broadcasting
--How it Works--
Inside it has plastic lens mounted directly onto a tiny electronic circuit board underneath. The lens screws in and out to increase its focal length, controlling the focus of your cam:
