This document provides information on several companies that are improving customer experience and sustainability in unique ways. Fairphone emphasizes customer participation and fast repair through direct delivery of replacement parts. Airbnb highlights the importance of hospitality and personal treatment from hosts. Mud Jeans offers at-home try-on of multiple jeans styles with free return shipping of unwanted pairs. Tony Chocolony provides chocolate samples, experiences, and videos to create an emotional connection with customers. The document promotes improving customer experience as a way for companies to have a positive impact.