14. The system of claim 13 , wherein the user and the second plurality of other users are each associated with at least one common characteristic.
14. The system of claim 13 , wherein the user and the second plurality of other users are each associated with at least one common characteristic. 15. The system of claim 14 , wherein the at least one common characteristic comprises at least one of the following: a common organization association, a common demographic characteristic, a common spoken language, and a common geographic home area.