The document discusses Dan Shure's keyword research toolbox and unusual uses of 17 free tools for keyword discovery. It describes tools for finding head/body words like Wikipedia + SEMRush Toolbar, Followerwonk + Allmytweets + Tagcrowd/Wordle, and Amazon Book Search. Tools for long-tail keywords and topics include HARO, Ubersuggest, Prismatic, and Google Correlate. The purpose is to provide ideas for finding keywords through free online resources.