The present invention might is a large-screen electronic building directory system that also integrates advertising and non-commercial content and is positioned and deployed in various public spaces, such as commercial building lobbies, indoor shopping malls, airports or other commercial and transportation hubs. The system combines facility directory, facility services information, concessionaires and advertising sponsor information in a user interface suitable for use in the target environment. A self contained, computer integrated plasma display has a 16:9 aspect ratio and is subdivided into a 14:9 media window portion and a 2:9 control portion. Interaction is through touch-sensitive panel sections. Content establishment and updating is effected through a wide area network communication interface, which also supports bi-directional videophone communication between a system user and offsite service providers. The system is configured to be mounted on the exterior surface of a public space wall, and protrude no further than 4.0 inches from the wall in conformance with ADA building code requirements.