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.
Webcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity.
Webcams have been used for augmented reality experiences online.
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.