21. The computer-implemented method as set forth in claim 13 , further comprising: prior to scanning the metadata associated with the content items, determining whether to access the metadata based on one or more access parameters.
21. The computer-implemented method as set forth in claim 13 , further comprising: prior to scanning the metadata associated with the content items, determining whether to access the metadata based on one or more access parameters. 22. The computer-implemented method as set forth in claim 21 , wherein at least one access parameter is a privacy setting.