CDN for jQuery, AJAX and other API's

Just want to share that jQuery, Microsoft AJAX and other API's are hosted in CDN by both Microsoft and Google. You can check the following pages:

• http://www.asp.net/ajaxlibrary/cdn.ashx
• http://code.google.com/apis/libraries/devguide.html

What is the benefit of using CDN?
A Content Delivery Network (CDN) improves the performance of your sites by caching and delivering contents like images, javascript and css.

• It increases the parallelism available.
• It increases the chance that there will be a cache-hit.
• It ensures that the payload will be as small as possible.
• It reduces the amount of bandwidth used by the server.
• It ensures that the user will get a geographically close response.