AJAX: Asynchronous Java + XML?

"Gmail, GoogleSuggest, and GoogleMap opened the eyes for millions of netizens to a "new" Web: a smarter, more responsive, and more interactive Web that does not employ a foolhardy "click, wait, and refresh" approach.For the first time, the vast majority realize the Web can be much better than what they have assumed."
- by By Coach K. Wei in developer.com