1. A mobile device comprising: a processor; and computer storage memory having computer-executable instructions stored thereon which, when executed by the processor, configure the mobile device to: wherein the mobile device is associated with a first user; access, at the mobile device, location updates of a second user, the location updates of the second user periodically stored on a network for access by the mobile device; and predict a realtime geographical location of the second user based on processing of a location update and facilitate power conservation in the mobile device by waiving access to the network for new location updates of the second user.