27. A computer-implemented method for communication in a social networking system, the method comprising: receiving a content item from an author, the author being a user of a social networking system; receiving a definition of an audience from the author, the audience comprising one or more users of the social networking system; receiving a content item tag from the author, the content item tag indicating an association between the content item and a tagged user, wherein the tagged user is a user of the social networking system different than the author; receiving a tag approval determination from the tagged user, the tag approval determination comprising an approval of the content item tag or a rejection of the content item tag; responsive to the tag approval determination comprising an approval of the content item tag, displaying the content item and the content item tag to a viewing user, wherein the viewing user is not a member of the audience.
29. The method of claim 27 , wherein display of the content item and the content item tag to the viewing user comprises display of the content item and the content item tag in the tagged user's profile page.