Media Zone Trigger - Version 3 This is an Interactive Digital Signage software that uses a webcam to control the sequencing of audio and video on one or many displays, this way what is displayed in the screen is relevant with what is going on in front of the screen. You get an easy to setup media display system that can be completely customized for your needs.Media Zone Trigger can load most video file formats, Flash animation, images and sound files.This software is Useful for advertising, show booths, art presentations, greetings videos, and user interaction projects.