Web 2.0 architecture opens up an incredible number of options for flexible web design, creative reuse, and easier updates. Along with covering the key languages and techniques of Web 2.0, this unique book introduces you to all of the technologies that make up Web 2.0 at a professional level. Throughout the chapters, you'll find code for several example applications built with popular frameworks that you'll be able to utilize.You'll first explore the technologies that are used to create Web 2.0 applications. This includes an in-depth look at XHTML, Cascading Style Sheets (CSS), JavaScript, and Ajax. Next, you'll gain a better understanding of the protocols and formats that enable the exchange of information between web clients and servers. Ultimately, you'll discover exactly what you need to know about server-side programming in order to implement new ideas and develop your own robust applications.What you will learn from this bookHow Web 2.0 applications are developedNew ways to get the major client-side technologies to work togetherThe new class of emerging toolsAll about HTTP and URIs, XML, syndication, microformats, and Web ServicesTechniques for implementing and maintaining your URI spaceHow to serve XML over HTTPSteps for building mashups to aggregate information from multiple sourcesMethods for enhancing security in your applicationsWho this book is forThis book is for professional developers who have a basic understanding of HTML, CSS, JavaScript, and XML.Wrox Professional guides are planned and written by working programmers to meet the real-world needs of programmers, developers, and IT professionals. Focused and relevant, they address the issues technology professionals face every day. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job.This book is also available as part of the 4-book JavaScript and Ajax Wrox Box (ISBN: 0470227818). This 4-book set includes:Professional JavaScript for Web Developers (ISBN: 0764579088)Professional Ajax 2nd edition (ISBN: 0470109491)Professional Web 2.0 Programming (ISBN: 0470087889)Professional Rich Internet Applications: Ajax and Beyond (ISBN: 0470082801)