For several years, various vendors have used CES to demonstrate wireless charging prototypes. This past year, however, was the year these technologies started to become commercially available. BestBuy even has several examples for sale, for phones and video game controllers. Palm has been promoting the Pre's induction charging as a competitive advantage.
With wireless charging, you just place your gadget on a pad and it starts charging! It's a great concept but in practice, there have been drawbacks. For starters, you have a limited set of devices and compatible cases to choose from.