1. A method for automatic search argument modification, the method comprising: presenting a plurality of discrete search results text words to a user in a graphical user interface display on a display device, wherein the search result text words are retrieved from a search of at least one database as relevant to a current search term that comprises at least one word; and in response to the user selecting a text word of the displayed plurality of text words through a graphical user interface device component input, automatically, without requiring any other graphical user interface input action by the user: determining whether the selected word is already present within the current search term; in response to determining that the selected word is already present within the current search term, modifying the current search term to generate a modified search term by deleting the selected word from the current search term; in response to determining that the selected word is not already present within the current search term, modifying the current search term to generate the modified search term by adding the selected word to the current search term; searching the at least one database for information relevant to the modified search term and retrieving modified search term results comprising a plurality of modified search term search results text words; and presenting the plurality of modified search term search results text words retrieved from the search of the at least one database as relevant to the modified search term to the user in another graphical user interface display on the display device.
1. A method for automatic search argument modification, the method comprising: presenting a plurality of discrete search results text words to a user in a graphical user interface display on a display device, wherein the search result text words are retrieved from a search of at least one database as relevant to a current search term that comprises at least one word; and in response to the user selecting a text word of the displayed plurality of text words through a graphical user interface device component input, automatically, without requiring any other graphical user interface input action by the user: determining whether the selected word is already present within the current search term; in response to determining that the selected word is already present within the current search term, modifying the current search term to generate a modified search term by deleting the selected word from the current search term; in response to determining that the selected word is not already present within the current search term, modifying the current search term to generate the modified search term by adding the selected word to the current search term; searching the at least one database for information relevant to the modified search term and retrieving modified search term results comprising a plurality of modified search term search results text words; and presenting the plurality of modified search term search results text words retrieved from the search of the at least one database as relevant to the modified search term to the user in another graphical user interface display on the display device. 6. The method of claim 1 , wherein the selected text word is a selected character subset selected by: highlighting the selected character subset by holding down a graphical user interface device button while dragging the cursor over text characters defining the selected character subset; and entering a single click input through the graphical user interface device component while the cursor is over the highlighted selected character subset.