This document discusses customer relationship management (CRM) applications in different industries, including telecom, airlines, and hospitality. It provides examples of how CRM is used in each industry, such as loyalty programs in telecom, frequent flyer programs in airlines, and membership programs in hospitality. The document also discusses characteristics of business markets that make them different from consumer markets, key participants in business-to-business buying processes, and the typical eight stages of business buying processes. It emphasizes the importance of CRM in business-to-business relationships for satisfying complex customer decision making.