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.

Webcam features and performance can vary by program, computer operating system, and also by the computer's processor capabilities.

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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.

A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network.

When "captured" by the computer, the video stream may be saved, viewed or sent on to other networks via systems such as the internet, and emailed as an attachment.

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.

Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.

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.

Webcams have been used for augmented reality experiences online.

One such function has the webcam act as a "magic mirror" to allow an online shopper to view a virtual item on themselves.

By removing the IR filter of the webcam, IR LEDs can be used, which has the advantage of being invisible to the naked eye, removing a distraction from the user.