C2B

Consumer-to-business (C2B) is an electronic commerce business model in which consumers (individuals) offer products and services to companies and the companies pay them. This business model is a complete reversal of traditional business model where companies offer goods and services to consumers (business-to-consumer = B2C). We can see this example in blogs or internet forums where the author offers a link back to an online business facilitating the purchase of some product (like a book on Amazon.com), and the author might receive affiliate revenue from a successful sale.