1. A system, comprising: an update component of a navigation application of a mobile device of a first user that accesses location updates of a second user, the location updates of the second user periodically stored on a network for access by the mobile device; a prediction component of the mobile device that operates locally by predicting a realtime geographical location of the second user based on processing of a location update, the predication component facilitates power conservation in the mobile device by waiving access to the network for new location updates of the second user; and a microprocessor that executes computer-executable instructions in a memory.