ant and best-selling author Perry Marshall, sales and marketing professionals learn how to apply Pareto's 80/20 rule specifically to sales and marketing. With a powerful 80/20 software tool (online, included with the book), sellers and marketers uncover how to slash time-wasters; advertise to hyper-responsive buyers and avoid tire-kickers; gain coveted positions on search engines; differentiate themselves from competitors and gain esteem in their marketplace.