In Minority Report there is a scene were ads change depending on the person walking by:
Immersive Labs has developed a face recognition technology that uses the webcam to record information about gender and age of the person who is watching the screen, and thereafter changes the ad content to suit the viewer. Several pilot locations are up and running and CEO Jason Sosa says that he expects to have a finished product in six months. Below is a demonstration of the technology:
Always try to walk carefully towards a YES instead Of running recklessly in to a NO! - Always try to walk carefully towards a YES instead Of running recklessly in to a NO! Per Östling. Quote with permission.