What are the current approaches used for marketing?

Current approaches used for marketing can be categorized in four categories:a. Relationship marketing: This approach basically deals with customer satisfaction. The whole emphasis is done on the relationship between the suppliers and customers.b. Business Marketing: It does not focuses on consumer products rather it focuses on industrial goods. All sort of marketing techniques are like promotion, advertising, etc are used.c. Social marketing: It focuses on marketing a product socially i.e. online.