electronic commerce (ecommerce)
Often referred to as simply ecommerce (or e-commerce) the phrase is used to describe business that is conducted over the Internet using any of the applications that rely on the Internet, such as e-mail, instant messaging, shopping carts, Web services, UDDI, FTP, and EDI, among others. Electronic commerce can be between two businesses transmitting funds, goods, services and/or data or between a business and a customer.
See Understanding "Web Services" in the "Did You Know...?" section of Webopedia.
Also See "How Affiliate Marketing Works" in the "Did You Know..." section of Webopedia.
Also see ECommerce-Guide to News, Reviews and Technology Solutions.