This document discusses different e-business models. It begins by defining an e-business model as having five main elements: products/services, customer relationships, structural resources, virtual networks, and financial aspects. It then describes six common e-business models: B2C (business to consumer), C2B (consumer to business), B2B (business to business), C2C (consumer to consumer), B2A (business to administration), and C2A (consumer to administration). For each model, it provides examples of companies that use that particular model. The document concludes that e-commerce and business models continue developing to improve customer and manufacturer experiences.