E-business involves conducting business transactions over the Internet. It allows companies to reach global customers, personalize their offerings, and reduce costs. Major forms of business-to-business e-commerce include electronic data interchange and private exchanges. Business-to-consumer e-commerce allows direct online sales to customers. While e-business provides benefits, challenges include privacy concerns, Internet fraud, and poor website design hindering conversions. Companies use various online communication tools and metrics to measure website effectiveness.