I hate to find fault in an otherwise informative and complimentary post, but what the heck is AJAX2? XMLHttpRequest Level 2 is a revision of XMLHttpRequest, not

I hate to find fault in an otherwise informative and complimentary post, but what the heck is AJAX2? XMLHttpRequest Level 2 is a revision of XMLHttpRequest, not of "AJAX", which is a fuzzy bundle of concepts referencing a style of Web application development. It has no 2.