This document discusses rethinking marketing from a perspective of cultivating customer relationships over building brands. It suggests that companies can interact with and understand customers better through technologies like data warehousing. The key ideas are shifting from product-focused to customer-focused marketing, transforming marketing departments into customer departments, and focusing on customer profitability rather than product profitability. Specific companies that take this approach, like IBM and Tesco, are highlighted. The document also outlines proposed changes to organizational structure and roles to implement a customer-centric approach.