Add or edit a setting, and then select deployment slot setting. And then there's MiiVerse, Nintendo's big social networking initiative. Since this is Nintendo's first HD console, most of the big changes are on the inside. The next time you are with a group of 30 people, try it! If you cannot find canned compressed air at your hardware or home supply store, try a computer shop where it's sold as a dust remover for keyboards and other electronics.