4. The system of claim 1 , wherein the server monitors social media services over a network, identifies social media events generated after the media tag is displayed in the video content, and provides analytics measurements of the social media events.
5. The system of claim 4 , wherein the server receives a request from the client computer over a network to search for a term appearing in the video content, the server providing search results which comprise a media tag indicative of the term, metadata corresponding to the media tag indicative of the term, and analytics measurements of media events associated with the media tag indicative of the term.