Patent ID: 7181227

Claim:
A computer-readable medium containing a data structure for use by a wireless system that provides communication between a wireless device and multiple network access points, the data structure comprising: at least one location-based services data structure for a wireless device or a user of the wireless device, wherein the location-based services data structure comprises: a first data structure representing a table of friends who may receive, via the system, a current location of the user's wireless device; and a second data structure representing a table of friends who have permitted the user to receive, via the system, a location of wireless devices associated with them; wherein the first and second data structures are configured for display on a visual display of the wireless device as respective first and second lists of friends, and wherein the wireless device may receive input from the user to modify at least one of the first and second data structures representing tables of friends to thereby modify the at least one of the first and second lists of friends.