IN THIS CHAPTER
The name of the game in XML is data storage, and that's what XML excels at. XML got to be so popular because it's a text-based way of storing your data, and the Internet is based on text transfer. So XML became the Internet's way of slinging data around, as you already know now that you're an Ajax developer.
When you create an XML document, you also create the tags that go into that document. Unlike HTML, XML has no set element tag names that you have to work with; you're free to create your own tags and structure your data as you like. However, there are a number of rules to creating XML, and you'll see the most important ones here.
For the full XML story, take ...