Green screen, (blue screen) or chroma-key technology, allows the replacement of the video background. For years, this technique has been used in production of news and weather programming throughout the world. As most of you already know, there is no actual map behind the weatherperson on TV. The same method can be used to convey an image of your spokesperson in a cost effective manner, giving the illusion of an exotic location, a large production studio, or just about anything you can imagine.