This document provides an overview of user experience (UX), defining what it is, why it matters, and the UX process. It defines UX as how a person feels about using a system and explains that UX considers practical and meaningful aspects of human-computer interaction. The document dispels myths about UX only concerning appearances or being an add-on, explaining that UX is the blueprint that drives product direction. It outlines the roles involved in UX, the general UX process and deliverables, and recommends further resources for learning about UX.