One of the most widely reported-on webcam sites was JenniCam, created in 1996, which allowed Internet users to observe the life of its namesake constantly, in the same vein as the reality TV series Big Brother, launched four years later. More recently, the website Justin.tvhas shown a continuous video and audio stream from a mobile camera mounted on the head of the site's star. Other cameras are mounted overlooking bridges, public squares, and other public places, their output made available on a public web page in accordance with the original concept of a "webcam". Aggregator websites have also been created, providing thousands of live video streams or up-to-date still pictures, allowing users to find live video streams based on location or other criteria.
Around the turn of the 21st century, computer hardware manufacturers began building webcams directly into laptop and desktop screens, thus eliminating the need to use an external USB or Firewire camera. Gradually webcams came to be used more for telecommunication, orvideotelephony, between two people, or among a few people, than for offering a view on a Web page to an unknown public.
The term 'webcam' 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.
For less than $100 US (retail), Minoru makes a 3D webcam which produces videos and photos in 3D Anaglyph image with a resolution up to 1280x480 pixels. Both sender and receiver of the images must use 3D glasses to see the effect of three dimensional image.
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