Not that we'll ever believe it could possibly be reached but after headvertising, dogvertising, forehead advertising, assverting, bravertising, blogvertising, bloodvertising, adverblogging, invertising, advergaming, chipvertising, thongvertising, replacevertising, busvertising, police car advertising, adverwear, and urinal advertising, the final frontier of advertising would have to resemble something close to the "Poop-Out" ad.

Envisioned in a cartoon by David Farley, this yet-to-be-created ad medium combines "nanotechnology, genetically-modified food and unscrupulous marketers" yielding these scary messages floating in your toilet bowl.