This document discusses electronic commerce (e-commerce) and its evolution from electronic data interchange (EDI) over value added networks (VANs) to utilizing the internet. It provides examples of how e-commerce transactions take place, including ordering, payment, fulfillment, and delivery. Key advantages of conducting e-commerce over the internet compared to private networks are lower transaction costs and ability to transact in real-time. Examples of pioneering companies utilizing e-commerce successfully are provided, such as Dell, Cisco, and Amazon.