This document provides an introduction to e-commerce, including definitions, types, and benefits. E-commerce is defined as the use of computing and communication technologies to conduct business transactions online. It has several benefits over traditional commerce like reduced costs, expanded markets, and increased customer access. The main types of e-commerce are business-to-consumer, business-to-business, consumer-to-consumer, and business-to-government. Forces driving the growth of e-commerce include economic factors, improved marketing/customer interaction, and advancing technologies.