A new breed of technology is finding it’s way to web page near you. Ajax as it is called is an approach to allow web pages to function more like applications than just a static web page. Many developers are strating to use Ajax to create applications and interfaces which downstream may remove the need for bloated binaries on desktops and laptops for simple applications.
A great example of how functional these types applications can become is Zimbra™ Collaboration Suite Open Source Project Beta Launch the Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration.You can see a ‘flash’ demo of Zimbra
An interesting article on Ajax by ZDnet is at Wired News: Web Software Challenges Microsoft