Do the math. Your prospects outnumber your customers by a ratio that should inspire your fondest dreams of exponential growth. Your “ten-bagger,” your “BHAG.” 1000-1? 10,000-1? Any way you slice it, every marketer has a prospect audience out there with enormous potential. If. (Big if.) If, for example, marketers get over the obsession with customer insight. Is CI useful? Sure. …