The document discusses various customer relationship management (CRM) modeling tools. It describes tools for customer database management, data mining, simulation, and SAP CRM. Customer database management software helps analyze customer data to determine investments, craft messages, execute campaigns, and improve retention. Data mining tools can be used for acquisition, optimization, and understanding customer interactions while protecting privacy. Simulation tools enable scenario analysis and collaboration. SAP CRM supports marketing, sales, and service functions to focus on customer-driven growth and differentiation.