1. A method for identifying mobile users in a site, the site including a plurality of wireless access points, the method comprising: receiving, in real time, data packets from the plurality of wireless access points; identifying unique device identifications from the received data packets, and time stamping each identified unique device identification; determining repetitive or false unique device identifications in the identified unique device identification; eliminating the repetitive or false unique device identifications in the identified unique device identification to obtain a plurality of accurate unique device identifications; and using the plurality of accurate unique device identifications to identify corresponding mobile devices associated with each accurate unique device identifications.