This document discusses electronic commerce (e-commerce), including what it is, its benefits, and classifications. E-commerce involves business processes conducted over the internet. It benefits companies through access to global markets, reduced costs, and increased customer satisfaction. E-commerce can be classified based on participants (business-to-business, business-to-consumer, etc.) or activities (revenue models, operations models). The document also covers ethical standards, security issues, and the future of e-commerce enabling more business interconnection online through improved interfaces and networking.