The document discusses data mining and data warehousing. It describes data mining as a technique that enables companies to discover patterns and relationships in data with a high degree of accuracy. Typical tasks for data mining include predicting customer responses, identifying opportunities for cross-selling products, and detecting fraud. The document also discusses why companies build marketing data warehouses - to more efficiently and profitably serve customers by integrating customer data from various sources and analyzing purchase histories. Key considerations for ensuring success include having the right support team, quantifying benefits, and prioritizing deliverables in a phased approach.