Bob Doyle writes in eContent:

“DITA is now the fastest way for an organization to start delivering digital content as reusable XML content components. Many large organizations have developed their own DTDs and XSLT transforms to deliver XML content to websites on demand, personalized and localized, then assembled using XPath, XQuery, and XInclude techniques. DITA now delivers that capability without the long time and considerable expense of DTD and XSLT development.”

Read the article.