This document provides an overview of marketing as both a philosophy and set of techniques. As a philosophy, marketing puts customers at the center of an organization's considerations and values understanding and responding to customer needs. As techniques, activities like market research and advertising are used to learn about customers and communicate product benefits. While techniques have been adopted, many organizations still need to fully develop a customer focus, which is core to the marketing philosophy. The document discusses how marketing differs in centrally planned versus market-based economies and provides definitions of marketing from leading professional bodies.