Book Description: This book explains how today's computing and communications world operates, from hardware through software to the Internet and the web. It includes enough detail that you can understand how these systems work, no matter what your technical background. The social, political and legal issues that new technology creates are discussed as well, so you can understand the difficult issues we face and appreciate the tradeoffs that have to be made to resolve them. A compact but detailed and thorough explanation of how computers and communications systems work, for non-technical readers who want to better understand the world they live in. A great source for technical readers who want something that will help their friends and family learn about digital systems.