What are advantages of using google.load('jQuery', …) vs direct inclusion of hosted script URL?

Question

Google hosts some popular JavaScript libraries at: http://code.google.com/apis/ajaxlibs/

According to google:

The most powerful way to load th

Answer 1

1. It allows you to dynamically load the libraries in your code, wherever you want.
2. Because it lets you switch directly to a new version of the library in the javascript, without forcing you to rebuild/change templates all across your site.