The document discusses customer relationship management (CRM) and its use across various sectors. It defines CRM and outlines its phases and determinants. It then examines how CRM has been adopted by several service sectors, including hospitality, healthcare, IT, education, telecom, banking, finance, insurance and retail. CRM allows companies to acquire, enhance and retain customer relationships and trust through the use of customer data and technology. The document concludes that CRM requires cultural change within organizations and ongoing enhancement of the customer experience to deliver long-term benefits.