14. A system for identifying and displaying supplemental content associated with one or more advertisements responsive to a user query, the system comprising: an extraction component, wherein the extraction component comprises one or more processing elements operative to analyze a given one of the one or more advertisements, and extract one or more terms from display content of the given one of the one or more advertisements, the given one of the one or more advertisements, from which the one or more terms are extracted, being capable of being displayed in a search results display responsive the user query; a search component, wherein the search component comprises one or more processing elements operative to generate a supplemental query using the one or more terms extracted from the given one of the one or more advertisements and identify supplemental content from an advertiser of the given one of the one or more advertisements responsive to the supplemental query, the supplemental content associated with the one or more terms extracted from the given one of the one or more advertisements identified as responsive to the user query and including additional advertising content available from the advertiser of the given one of the one or more advertisements for a limited time period and based on a context of a querying user; a supplemental data store component, wherein the advertiser associated with supplemental content may specify the one or more terms in response to which the supplemental content is to be displayed; and a display component, wherein the display component comprises one or more processing elements operative to generate a search results display comprising a listing of search results responsive to the query, the given one of the one or more advertisements identified as responsive to a user query and the supplemental content associated with the given one of the one or more advertisements, the supplemental content being visible to the querying user upon a mouse over of the given one of the one or more advertisements, a selection of the given one of the one or more advertisements, or an inactivity of the querying user.
21. The system of claim 14 wherein the display component is operative to combine a given advertisement with supplemental content associated with the advertisement.