Webcams in bedrooms
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.
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.
Researchers claim that this method is accurate to ±5 bpm.
The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations.