12. The method of claim 10 , wherein obtaining the plurality of search results for the specific search query further comprises: performing operations against a data repository, wherein the data repository contains an index of content; and in response to performing the operations, receiving data representing the plurality of search results.
10. A method comprising the steps of: a computer identifying a set of one or more terms related to a specific search query; wherein the set of one or more terms are not part of the specific search query; the computer determining, for each term of the set of one or more terms, a third number of historical search queries, and adding said third number to a running total; wherein said third number is based on a count of those historical search queries that include both the specific search query and said each term; determining a ratio of said third number to the running total; the computer obtaining a plurality of search results for the search query; the computer determining that none of the results in the plurality of search results contain a particular term from the set of one or more terms; the computer generating a value representing a loss in variety for a set of results; wherein the set of results includes the plurality of search results, and wherein generating the value representing the loss in variety for the set of results is based at least in part on the ratio of said third number, for each term of the set of one or more terms, to the running total; and the computer reporting the value representing the loss in variety for the set of results.