Disclosed embodiments relate to a system for monitoring the usage of a functional facility, the system comprising (i) a plurality of detectors for detecting the presence of at least one client device in the functional facility and which detectors are geographically mapped in the functional facility; and (ii) a client device mapping module for determining the location of the at least one client device detected by one or more of the plurality of detectors. Moreover, the invention is directed to a method for monitoring the usage of a functional facility including one or more detectors, comprising the steps (1) detecting an operable engagement made between a detector deployed in the functional facility and a computerized client device; (2) determining a location point of the computerized client device; and (3) providing an output which is descriptive of the detected operable engagement along with information relating to the determined location point.