Inductive charging, allowing you to charge a gadget just by placing it on a non-electrocuting surface, is a pretty neat parlor trick. But you're still putting a gadget on a charger. This DIY mod, however, trades synthetic chargers for wood.
Using a hacked Powermat, this plank of wood becomes a full capable inductive charger. Why do I find this so superior to the original product? Most tables are built from wood, and this technique would allow a tabletop, with no special gimmicks on top, to charge your gadgets.