Will is an amazing source of insight and examples. He's already contributed to the pattern library but was willing to share more, including Volkswagen UK (faceted navigation), and the Encyclopedia of Life (taxonomy visualization).
Will noted we must look beyond our immediate disciplines and vocabularies for sources of innovation. In that spirit, he recommends the following:
Will is now with CrowdSprout, a startup that will aggregate supply and demand by using the power of social networking and e-commerce. In other words, it's a search system that helps buyers and sellers find deals. Good luck Will!