Abstract: A System for video and audio real-time communication among a large Community of members connected to Internet via local computers, cell phone or iPads with a webcam and a Central Computer System. The User's Devices and the Central Computer System are made of commercially available hardware and they run standard software plus proprietary software described in this patent. The Proprietary Software, VRTCOS, runs in the Central Computer System. All the users have a Community ID and a Profile. Upon request, every user is presented with the video and audio signals from a subset of the Community's members, the User's Neighborhood, in only one video stream. Neighborhood of 30 users can be achieved with a Central Computer System of average power. The technology allow to develop a large set of application for video-based Social Networking.