Small webcam-based PC games are available as either standalone executables or inside web browser windows using Adobe Flash.With very-low-light capability, a few specific models of webcams are very popular to photograph the night sky by astronomers and astro photographers.Webcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity.
Video calling support has also been added to several popular instant messaging programs. Software is available to allow PC-connected cameras to watch for movement and sound, a computer e-mailed images of the burglar during the theft of the computer, enabling the owner to give police a clear picture of the burglar's face even after the computer had been stolen.
Unauthorized access of webcams can present significant privacy issues (see "Privacy" section below).
Its bulbs last 50,000 hours and battery lasts 90 minutes on a single charge.
A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network.
In December 2011, Russia announced that 290,000 Webcams would be installed in 90,000 polling stations to monitor the Russian presidential election, 2012.
Webcams can be used to take video clips and still pictures.The video streams provided by webcams can be used for a number of purposes, each using appropriate software: Most modern webcams are capable of capturing arterial pulse rate by the use of a simple algorithmic trick.Researchers claim that this method is accurate to within 5 bpm.Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.making them the lowest-cost form of videotelephony.The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations.