PUBLIC MARKS with tags api & dojo

The AJAX Libraries API is an attempt to make Web applications faster for developers in simple ways: * Developers won't have to worry about getting caching setup correctly, as we will do that for you * If another application uses the same library (much more likely), they there is a much better chance that it will be already caching on the users machine * The network and bandwidth of the users systems will not be taxed.

How will a programmer use this toolkit in their work ?