14. The memory device of claim 13 , wherein monitoring the interaction with the social media content item by the users further comprises monitoring tagging events in which the key phrase is used by the users to tag the social media content item.
13. The memory device of claim 12 , wherein the operations further comprise determining the social media popularity of the key phrase by monitoring interaction, by users of a social media service, with a social media content item that is associated with the key phrase.