Zappos is committed to providing excellent customer service. They aim to wow customers at every step, from fast shipping and easy returns to friendly, helpful customer service. This focus on customer service has led to strong customer loyalty, with 75% of purchases coming from repeat customers who spend more on average than new customers. Word of mouth has significantly boosted Zappos' marketing, with over 40% of new customers coming from personal referrals. To build this customer-focused culture, Zappos commits to customer service in its mission, establishes core values centered on service, and actively manages culture company-wide with training, storytelling, and performance reviews based partly on living those values.