1. A computerized method for identifying needy queries for which additional responsive content is needed, the method comprising: retrieving a plurality of content items in a result set identified as responsive to each of a plurality of queries, wherein at least one of the plurality of queries is a forecasted query not previously generated by querying users and at least one of the queries is a query generated by one or more querying users; electronically generating, via a processing device, a score for the plurality of content items identified as responsive to the forecasted query; calculating an average of the scores associated with the plurality of content items identified as responsive to the forecasted query; determining the forecasted query is needy based upon a comparison of the calculated average of the scores with respect to a needy query score threshold, wherein a forecasted query is needy based on the calculated average of scores associated with the plurality of content items failing to meet the needy query threshold; determining the query generated by one or more querying users is needy based at least on a number of occurrences of the query generated by querying users exceeding a frequency threshold for queries with limited responsive content items; and identifying additional content items responsive to each of the plurality of queries to supplement the plurality of content items in the respective result set.