This document provides an overview of Zappos.com, including its history, corporate culture, business strategy, marketing approach, and focus on customer loyalty. It discusses Zappos' target markets, value proposition, supply chain, and competitors. It also outlines Zappos' holistic marketing strategy involving internal, integrated, performance, and relationship marketing. The document emphasizes Zappos' core competencies in its value chain and services, as well as its brand equity and efforts to protect market share through proactive and defensive marketing strategies.