This can be applied to games, providing additional control, improved interactivity and immersiveness.Free Track is a free webcam motion-tracking application for Microsoft Windows that can track a special head-mounted model in up to six degrees of freedom and output data to mouse, keyboard, joystick and Free Track-supported games.When sent to a remote location, the video stream may be saved, viewed or on sent there.Unlike an IP camera (which connects using Ethernet or Wi-Fi), a webcam is generally connected by a USB cable, or similar cable, or built into computer hardware, such as laptops.The Eye Toy for the Play Station 2, Play Station Eye for the Play Station 3, and the Xbox Live Vision camera and Kinect motion sensor for the Xbox 360 and are color digital cameras that have been used as control input devices by some games.Small webcam-based PC games are available as either standalone executables or inside web browser windows using Adobe Flash.For a more complete list see Comparison of webcam software.Special software can use the video stream from a webcam to assist or enhance a user's control of applications and games.
New features such as automatic lighting controls, real-time enhancements (retouching, wrinkle smoothing and vertical stretch), automatic face tracking and autofocus, assist users by providing substantial ease-of-use, further increasing the popularity of webcams.
Researchers claim that this method is accurate to ±5 bpm.
Webcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity.
Unauthorized access of webcams can present significant privacy issues (see "Privacy" section below).
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.