15. The non-transitory computer-readable storage medium of claim 14 , wherein the one or more entities comprise a list of user contacts.
15. The non-transitory computer-readable storage medium of claim 14 , wherein the one or more entities comprise a list of user contacts. 16. The non-transitory computer-readable storage medium of claim 15 , wherein the indication of user interaction comprises a frequency of interaction with a contact in the list of user contacts.