What if every bit of data in every computer included instructions about its content that would allow any other computer to interact with it? Such interoperability could unleash amazing new automation ...

Markup code, or markup language, is basically a set of words and symbols created by the computer industry with the goal of helping to process, organize, and present information, as well as to inform ...

This article is excerpted from Ajax for Web Application Developers, copyright 2007, published last month by Sams Publishing. Reprinted with permission, all rights ...