Mobile is turning “path to purchase” on its head. One of the most time-honored marketing concepts, that notion that a customer takes a predictable journey toward a sales transaction (in its earliest definition, starting with attention to a product, then moving to interest in it, then desire for it, and finally, action), has long provided the framework for marketers to strategize how to communicate with customers and exert influence. While the steps have been debated and refined over time, and the path is often now depicted as a “sales funnel” (with a large initial audience having awareness, funneling down to successively smaller groups having familiarity, consideration, purchase, and loyalty), the basic idea has remained that a customer’s commitment to a purchase intensifies at each step, and so should the marketer’s investment in bringing the transaction to a successful close.