This chapter introduces digital marketing and its potential to engage audiences. It defines key terms like e-commerce, digital business, and digital marketing. It discusses the connected digital world and tools for analyzing the online marketplace. It also covers different types of online presences and communications between organizations and customers. The chapter defines digital marketing objectives of Sell, Serve, Speak, Save, and Sizzle. It discusses developing a digital marketing strategy and linking objectives to tactics using the RACE framework.