This book provides an overview of technologies to maximize the quality of user experience for mobile, data-centric applications. Chapters cover techniques mobile network operators can use to maximize the effectiveness of congested networks, techniques that mobile application developers can use to minimize the impact of congested networks on user experience, and techniques that websites and data center operators can use to support a growing number of mobile users. With no technical jargon and a practical approach, this book offers a useful resource for a wide range of mobile network developers.