The Webcam Social Shopper is one example of software that utilizes the webcam in this manner.
Webcam can be added to instant messaging, text chat services such as AOL Instant Messenger, and Vo IP services such as Skype, one-to-one live video communication over the Internet has now reached millions of mainstream PC users worldwide.
Enter an i Cam Login and Password of your choosing (no need to register or create an account, but make sure they are not easily guessed) and click the Start button. Tap a video thumbnail to Zoom In, and Double-Tap (i OS) or press Back (Android) to Zoom Out. :)i Cam and i Cam Source use the same firewall- and router-piercing technologies and algorithms developed for to perform zero-config peer-to-peer connections.
Repeat Steps 2 & 3 for any additional computers and Steps 4 & 5 for any additional i OS or Android devices, being sure to use the same Login and Password for all of them. In most situations, things should "just work" unless your network is particularly complex or restricted.
Improved video quality has helped webcams encroach on traditional video conferencing systems.