This document discusses United Airlines' use of mobile optimization. It begins by outlining the agenda, which includes discussing mobile as a channel, mobile data collection at United, and business value creation. It then provides details on United's mobile app, including key features and partnerships. It describes how United collects data on mobile, including the types of data collected and challenges of mobile data collection. It discusses United's implementation with Ensighten to facilitate data collection and integration with analytics tools. Finally, it outlines how United uses the mobile data to create business value, such as retargeting ads, reducing cart abandonment, and powering omni-channel experiences.