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Posted by / 02-Feb-2020 14:37

Webcams have become a source of security and privacy issues, as some built-in webcams can be remotely activated by spyware.

To address this concern, many webcams come with a physical lens cover.

Improved video quality has helped webcams encroach on traditional video conferencing systems.The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations.Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.As webcams evolved simultaneously with display technologies, USB interface speeds and broadband internet speeds, the resolution went up from gradually 320×240, to 640×480, and some even offering 1280×720 (aka 720p) or 1920×1080 (aka 1080p) resolution.Despite the low cost, the resolution offered as of 2019 is impressive, with now the low-end webcams offering resolutions of 720p, mid-range webcams offering 1080p resolution, and high-end webcams offering 4K resolution at 60 fps.

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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.