1. A method for providing enhanced location information concerning a mobile user, the method comprising the steps of: receiving information from a mobile device of a user identifying a plurality of locations the user has visited; determining a geographical domain that encompasses at least some of the plurality of locations the user has visited; presenting the geographical domain to the user via the mobile device; prompting the user via the mobile device to tag the geographical domain with an annotation; and storing the geographical domain and the annotation associated therewith for subsequent retrieval.