1. A presentation unit comprising: a display touch screen unit that includes a touch screen on which images can be displayed, receives display image information from a sales promotion program, and produces a touch signal in response to a touch at the touch screen; at least one positive response sensor that produces a signal that indicates when a person is in an area physically near the presentation unit and responds to the displayed images in a positive manner; a speaker that transduces sound front the sales promotion program; and a central processing unit having one of said neural network selection program and a plurality of sales promotion programs, wherein the neural network selection program selects one of said sales promotion program for presentation in response to real-time data and signals from the positive response sensor, said presentation of the selected program being displayed by the display touch screen and playbacked by the speaker.