56. The at least one non-transitory computer-readable medium of claim 55 , wherein the act (B) comprises displaying the icons using a carousel metaphor, each of the icons having an associated slot on the carousel.
56. The at least one non-transitory computer-readable medium of claim 55 , wherein the act (B) comprises displaying the icons using a carousel metaphor, each of the icons having an associated slot on the carousel. 58. The at least one non-transitory computer-readable medium of claim 56 , wherein the act (B) comprises displaying slots in an order that is based at least in part on based at least in part on estimated similarity between content of the query received in (A) and content made available by any one or more of the plurality of search engines.