High Quality Content by WIKIPEDIA articles! Customer to Customer (C2C) markets are innovative ways to allow customers to interact with each other. While traditional markets require business to customer relationships, in which a customer goes to the business in order to purchase a product or service. In customer to customer markets the business facilitates an environment where customers can sell these goods and or services to each other. Other types of markets include business to business (B2B) and business to customer (B2C).