The document discusses various aspects of e-business and digital markets. It describes 8 unique features of e-business including ubiquity, global reach, universal standards, richness, interactivity, information density. It also discusses how e-business reduces costs and enables new business models. Key concepts covered are digital markets, goods, and revenue models. Types of e-business include B2C, B2B, C2C, and mobile business. Social e-business is also discussed.