Webcams are video capture devices connected to computers or computer networks, often using a USB port or, if they connect to networks, via ethernet or Wi-Fi.Their most popular use is for video telephony, permitting a computer to act as a videophone or video conferencing station. Other popular uses, which include the recording of video files or even still-images, are accessible via numerous software programs, applications and devices.They are well known for their low manufacturing costs and flexibility.
First employed in 1991, a webcam called the CoffeeCam, was pointed at the Trojan room coffee pot in the computer science department of Cambridge University. The camera was finally switched off on August 22, 2001. The final image captured by the camera can still be viewed at its homepage.The coffee machine was repaired for free by Krup
The oldest webcam, as the technology came to be known, still operating is FogCam at San Francisco State University, which has been running continuously since 1994.One of the most widely reported-on webcam sites was JenniCam, started in 1996, which allowed Internet users to constantly observe the life of its namesake, somewhat like reality TV series Big Brother, launched three years later. More recently, the website Justin.tv has shown a continuous video and audio stream from a mobile camera mounted on the head of the site’s star.
Recently,[when?] Apple and other computer hardware manufactures began building webcams directly into laptop and desktop screens, thus eliminating the need to use an external USB or Firewire webcam.
Truly the invention of webcam and evolution of technology makes the world easy to connect. The capabilities of webcam in instant messaging, text chat, live video communication has now reached billions of people around the world. Webcams improved our traditional video conferencing in the internet. There are new features discovered such as automatic lighting control, real-time enhancements, face tracking were automatic makes the increasing popularity of webcams.
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