Compare the ad photo of the heart-shaped pizza with the photo of the real thing. It looks like a toothless horse gummed a piece off the pizza.
(UPDATE: Source of photo is Consumerist)
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.