15. The computer program product of claim 13 , the storage medium further containing computer program code for performing the step: formatting the selected at least one candidate sponsored story into a sponsored story visual specification.
15. The computer program product of claim 13 , the storage medium further containing computer program code for performing the step: formatting the selected at least one candidate sponsored story into a sponsored story visual specification. 18. The computer program product of claim 15 , wherein the sponsored story visual specification is defined by the social networking system to include an identifier indicating a sponsored story display item.