How Spiral Marketing should be the foundation of your direct response campaign. Designed and developed by PDM, spiral marketing provides the four cornerstones for reaching your customer. The four "I's"....today's answer to harnessing the power of web, catalog and e-mail into a cohesive direct response strategy. PDM will take you through a process that will identify more prospects than before, create more interest than you ever thought possible, build stronger bonds with your customers through self involment, and develop a strategy of low-cost effective interaction increasing your sales and fulfilling the marketing spiral.