IMAGE DISPLAY DEVICE WITH DEMOGRAPHIC DATA AND PROGRAM-BASED AUTOMATIC ADVERTISEMENT SWITCHING FUNCTION

摘要

A method for operating an image display device is proposed, said image display device receiving a plurality of broadcasting services, said method for operating the image display device comprising the steps of, receiving a plurality of alternative commercial streams to be displayed in a selective manner, determining basic demographic data in relation with at least one user viewing the image display device and defining a certain correlation between the basic demographic data in relation with at least one user and a received commercial stream.