This document discusses the importance of marketing intelligence and using metrics to measure marketing performance. It provides examples of how companies like Best Buy and Porsche have successfully implemented marketing intelligence strategies. Best Buy analyzed customer data to identify key segments like "Jills" and customized marketing efforts for different stores. Porsche tracked a new vehicle launch campaign across direct mail and their website. The document also reviews how DuPont used NASCAR sponsorships and print advertising to build brand awareness for their Tyvek homewrap product while seeking to measure marketing performance. Overall it emphasizes that market leaders employ data-driven marketing approaches and metrics to optimize efforts.