The document discusses the basics of service marketing. It defines services as acts or efforts that provide a solution to customers' problems. Services are characterized as intangible, heterogeneous, produced during customer interaction, and perishable. The growth of the service sector is driven by factors like innovation, social trends, and the knowledge economy. Services play an important role in economies and can be classified based on their type and degree of interaction/customization. Technology is also changing how customers interact with service providers.