Mashape/apiglossary — pull request #9 by impressivewebs (2014-05-05 11:44:35+00:00)
Title: Not an acronym

See original Ajax article: http://www.adaptivepath.com/ideas/ajax-new-approach-web-applications/. As shown, it's not an acronym, it's just a term that originally stood for "XML", but now has evolved to include any type of data.