5. One or more computer-readable media as recited in claim 1 , wherein the refining of the search results comprises altering the search results displayed on the touch-sensitive display based at least in part on previous activities by other users that have navigated to at least a portion of the search results.
1. One or more non-transitory computer-readable media storing computer-executable instructions that, when executed, cause one or more processors to perform acts comprising: detecting an initial selection of a term in a content item being output by a touch-sensitive display and measuring a force of the initial selection on the touch-sensitive display; forming a query comprising the selected term and causing display of search results associated with the query on the touch-sensitive display at least partly in response to the detecting of the initial selection; detecting a force on the touch-sensitive display that is greater or lesser than the measured force of the initial selection; and refining the search results displayed on the touch-sensitive display at least partly in response to the detecting of the greater or lesser force, the refining comprising adding, removing or modifying a search criteria of the query.