Here is a list of some popular web applications that make use of AJAX.
A user can drag a whole map by using the mouse, rather than clicking on a button.
As you type, Google offers suggestions. Use the arrow keys to show the results.
Gmail is a webmail built on the idea that emails can be more intuitive, efficient, and helpful.
Now it's even easier and more fun to get where you're going!
While trying AJAX example, there is no discontinuity and you get the response very quickly, but when you try the standard GCI example, you would have to wait for the response and your webpage also gets refreshed.