This document discusses various aspects of customer relationship management (CRM) in marketing. It describes target marketing, which involves promoting products or services to specific customer subsets defined by geographic, demographic, or other characteristics. It also discusses refining marketing campaigns, relationship marketing to understand customer preferences, campaign management through tailored creative messages and media selection, and closed-loop campaign management. Finally, it outlines several CRM marketing initiatives including cross-selling, customer retention, behavior prediction, and ensuring customer privacy.