What is digital marketing? -- Electronic service -- Internet design and philosophy -- Observational and experimental data - Legal and ethical aspects of digital marketing -- Internal company operations -- Consumer-business relationships -- Business-business relationships -- The online audience -- Human information processing --Visual design practice -- Writing for the screen -- Site structure -- Interactive advertising -- Consumer problem solving online -- Consumer search -- Channels and direct channels -- Mobile devices -- Selling strategy -- Hubs and auctions -- Information versus inventory -- Information products -- User-generated content -- Virtual communities -- Social media -- Strategy in a networked world -- The future of e-marketing.