a system for providing a user with prerecorded audio / visual information on a display unit , the system comprising a unit including an audio / visual display play mechanism ; means for detecting the presence of a user within the vicinity of the unit ; a library of stored audio / visual clips ; an auto - id reader , such as a bar code reader for indicating which of the stored audio / visual clips to use ; and means for playing the clip to attract the attention of the user by using the audio / visual play mechanism .