30. The computer-readable medium of claim 29 , wherein each of the two or more content recognition candidates is associated with a ranking score, the method further including adjusting the ranking scores of the two or more content recognition candidates based on the particular content type.
29. The computer-readable medium of claim 23 , the operations further including receiving two or more content recognition candidates from the content recognition system, and wherein identifying the content item further includes selecting a particular content recognition candidate based on the particular content type.