12. The non-transitory computer-readable medium as claimed in claim 11 , comprising code for causing the computing device to display a user interface element for including a faceted search result as a virtual button marked with a first symbol and to display a user interface element for excluding a faceted search result as a virtual button marked with a second symbol.
11. The non-transitory computer-readable medium as claimed in claim 10 , comprising code to: display search results for a subsequent search using all included or excluded faceted search results as additional search terms; and display all the included or excluded faceted search results that have been used as additional search terms in association with a user interface element for deselecting the additional search terms.