Ajax is best described by developers like me as a set of technologies that can be combined to create a more "desktop-like" user interface for your web applications. By utilizing Ajax, I can help you give your users an online experience much like they've come to expect from Windows.
If you'd like to learn more, please contact me!
With Ajax, you can get rich internet applications that have a desktop feel.
It's never cheaper and never faster to do this twice (or more!).