Electronic commerce has been brought toprominence over recent years by the popularization and commercialization of the Internet. However, EC is not a new phenomenon, it has been an important part of trade for many years. In addition to the consumer oriented commerce of the Internet, EC is practiced through Electronic Markets and Electronic Data Interchange (EDI). This comprehensive text deals with the core concepts, models and strategies of electronic commerce. The book 'E -Commerce: Concepts, Models & Strategies' has been organized into six parts of a general model for managing E-commerce.