Zappos is an online retailer known primarily for selling shoes, clothing, and accessories. Founded in 1999, it quickly gained popularity for its extensive selection and customer service. The company emphasizes a strong customer-centric culture, offering free shipping and a 365-day return policy. In 2009, Zappos was acquired by Amazon, further expanding its reach and resources. The company operates with a unique corporate culture that prioritizes employee happiness and empowerment, which has contributed to its reputation as a leader in customer service within the e-commerce industry.