19. The one or more memory devices of claim 18 , wherein the history of the user's search activities pertaining to the first entity includes data indicating a number of times that the first entity was extracted from a search query received from the user and an amount of time that has passed between extraction of the first entity from the first search query and receiving the second search query from the user.
19. The one or more memory devices of claim 18 , wherein the history of the user's search activities pertaining to the first entity includes data indicating a number of times that the first entity was extracted from a search query received from the user and an amount of time that has passed between extraction of the first entity from the first search query and receiving the second search query from the user. 20. The one or more memory devices of claim 19 , further comprising determining whether the confidence interval is greater than a predetermined threshold, wherein if the confidence interval is not greater than the predetermined threshold, the method further includes: providing a selectable option for displaying the comparison experience, wherein the selectable option is provided on a search results page presented to the user in response to receiving the second search query; and receiving a user selection of the selectable option.