The document discusses several topics related to e-commerce. It begins by listing seven unique features of e-commerce technology: ubiquity, global reach, universal standards, information richness, interactivity, increased information density, and personalization. It then defines a digital market as one with reduced information asymmetry, flexibility, efficiency and direct consumer sales. Digital goods are described as products delivered over digital networks with low marginal costs of production and delivery. The document also explains how the Internet reduces information costs and disrupts traditional business models, enabling new models like virtual storefronts, information brokers, and online marketplaces. Finally, it distinguishes pure-play Internet businesses from clicks-and-mortar businesses that have both online and physical pre