Electronic commerce, commonly known as e-commerce
or eCommerce, consists of the buying and selling of products or
services over electronic systems such as the Internet and other computer networks.
The amount of trade conducted electronically has grown dramatically since the spread
of the Internet. A wide variety of commerce is conducted in this way, spurring and
drawing on innovations in electronic funds transfer, supply chain management, internet
marketing, online transaction processing, electronic data interchange (EDI), automated
inventory management systems, and automated data collection systems.