Now i know why microsoft should be worry about google... it's because it trying to make the web as the new platform for any applications .. all you need is a web browser, it doesn't matter in what platform/os you are running.. SUN is right with it vision of "The Network is the Computer " check out all these new/beta application.. ( this is the way of the future.. )
http://www4.meebo.com/
http://online.thinkfree.com/index.jsp
http://www.writely.com/
most of these application are using
AJAX,
can you imagine a few years ahead, you are reading your webmail as if using your fav. mail client such as outlook, that you simply can drag/drop you messages to another folder.. , viewing mail properties, and a lot more similar features, just using your web browser...
here's a few screen shots..

