We have developed an audience measurement system that monitors the viewing and the audience, while watching promotions and advertisements placed on difital displays. We offer this tool to advertisers and agencies who in addition to the traditional statistics of the number of visitors require more complex data about the audience demographics for their indoor/outdoor ads: our system offers unique facial recognition, the determination of the gender, age and mood of the visitors. With this custom-developed system the playing of tailored and interactive content is possible. Our solution is suitable for the identification and tracking of several dozenvisitors per camera. Thanks to its user-friendly reporting interface, the audience statistics can be checked any time, even remotely, with the support of a mobile application.