Wiki systems make it easy to edit documents online, which makes wikis a compelling tool for document collaboration. Current wiki formats, however, don't allow for the kind of reuse that the DITA was designed to enable.

'Wikis, Docs, and the Reuse Proposition' by Eric Armstrong of Sun explores the possibility of  implementing DITA features using a combination of JavaScript and CSS. He suspects it can be done most easily using a Ruby-based Wiki like MediaCloth.