Use it to remotely control you computer over the same wireless connection. You have to use a data projector to see your computer screen cos you can be down the back of the classroom and still control your laptop from a distance. Kewl
Thought I would add this here as well in case you miss it in the forum
The latest version of iTunes has a tick box for Automatic Downloads.
"iTunes 10.3 3 and iOS 4.3.3 or later enable you to automatically download purchases from the App Store, iBookstore, or iTunes Store instantly to your othe...