UNUSED LOCATION DISCRIMINATOR

Instrumentalities are effective to at least provide a user interface to a mobile device of the user for finding an unused space, among a plurality of spaces, according to a user-selected criteria, wherein the user interface is transmitted via a wireless protocol agreed during the wireless handshake; and in response, presenting the mobile device with first unused spaces meeting the user-selected criteria. Further, an access point may receive a problem space indication from the user concerning at least one of the unused spaces which associates a problem to the at least one of the unused spaces, thereby forming a problem space, and in response, second presenting a second at least one unused space to the mobile device without the problem space, wherein the second unused spaces are presented in order of nearness to a current user location.