This document provides an introduction to user experience (UX) strategy and design. It discusses the history and evolution of UX from early command line interfaces to modern touchscreen interfaces. It outlines fundamental UX principles like designing for users' needs and making their lives easier. The document also describes common UX techniques like personas, journey mapping, prototyping, content writing, and persuasion design. It emphasizes the importance of understanding users through research and testing designs with them. Finally, it provides recommendations for resources to learn more about UX and tips for practitioners.