7. The one or more computer-readable storage devices of claim 4 , wherein the operations further comprise: receiving user selection of a first user interface element that corresponds to the first search query; and adding to the display, as a consequence of the user selection of the first user interface element, visual indications of a second portion of the second search results.
8. The one or more computer-readable storage devices of claim 7 , wherein the operations further comprise: receiving, after the user selection of the first user interface element, another user selection of the first user interface element; and removing from the display, as a consequence of the another user selection of the first user interface element, the visual indications of the second portion of the second search results.