Foreword

This is the decade of the web application: business logic and data storage provided on a centralized server or servers while end users interact with the user interface on their own machines. In 2004, Macromedia (now Adobe) took the world of web applications further with the introduction of Flex. Flex is a set of languages, frameworks, and tools for building Rich Internet Applications (RIAs)—the evolution of the web application. By using the ubiquitous Flash Player, installed on over 98 percent of Internet-connected PCs, application developers can deliver a top-notch user experience while still leveraging the compelling distribution and update model of the web application.

The latest version of Flex, Adobe Flex 3, was released in ...

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