24. The recommendation device of claim 14 , wherein: the third module score is determined by a search confidence module executing at the computing device; the search confidence module is configured to determine the third module score by matching the search query with a previously executed search query of the special purpose search system; and outputting a module score based on a search confidence score associated with the previously executed search query, wherein the search confidence score indicates a level of relevance or popularity of the previously executed search query based on past user responses to the previously executed search query.
25. The recommendation device of claim 24 , wherein the search confidence module is configured to output the third module score favoring recommending sending the search query to the special purpose search system in response to the search confidence score being greater than a threshold search confidence score.