This is the wonderful announcement from Microsoft that they have placed the Ajax and JQuery libraries with Microsoft CDN[Content Delivery Network]. This will surely save huge amount of bandwidth all over the net as ajax and jquery is using by most of the people on the net. Now, it will download faster as it is coming from the cache. They have placed these libraries on the domain ajax.microsoft.com. So, if your site is on the net then use the urls from CDN and use them. Your browser downloads these files real quick than ever.
For more details: http://www.asp.net/ajax/CDN/
Isn't it nice? Don't you say wow after reading it? It really saves so much of bandwidth. Please provide your comments on this announcement.