The document discusses e-commerce business models, outlining seven unique features that define an e-business model including value proposition, revenue model, market opportunity, competitive environment, competitive advantage, market strategy, and organizational development. It then describes the multistage model for e-commerce consisting of search and identification, selection and negotiation, purchasing electronically, product delivery, and after-sales service. Finally, it lists some major business-to-consumer and business-to-business e-commerce business models.