6. The method of claim 4 , further comprising: receiving user input, using the user-selectable option, that changes the selected search area to another search area in the collection of search areas; receiving, by the mobile computing device and in response to the user input changing the search area, content that represents a second search result that has been determined to be most-relevantly ranked for the other search area; and replacing the displayed content for the determined search result with a display of content for the second search result.
6. The method of claim 4 , further comprising: receiving user input, using the user-selectable option, that changes the selected search area to another search area in the collection of search areas; receiving, by the mobile computing device and in response to the user input changing the search area, content that represents a second search result that has been determined to be most-relevantly ranked for the other search area; and replacing the displayed content for the determined search result with a display of content for the second search result. 7. The method of claim 6 , further comprising: in response to receiving the user input changing the search area, modifying a score for the other search area so that the other search area is more-relevantly scored with respect to the search area than before the modifying of the score of the other search area, the score for the other search area being used in selection of one of the search area and the other search area for display in the web page.