First there was AIDA, then the notion of a sales “funnel” emerged and the concept of a buyer’s journey that began at the top of the funnel (TOFU), moved to the middle of the funnel (MOFU) and ultimately ended with a sale at the bottom of the funnel (BOFU). But is this concept too simplistic—and too linear—to truly represent today’s buyer’s journey? Was this model ever relevant in a business-to-business environment? Are content marketers wasting their time attempting to create copy that focuses, discreetly, on TOFU, MOFU, BOFU?