Would you like to charge gadgets simply by placing them on a surface? You're not alone: since Palm introduced the Touchstone wireless charging dock in 2009, companies have been trying to commercialize inductive charging solutions for a variety of devices, from smartphones to automobiles. Today, however, there are a number of competing standards, each incompatible with the others. Here, we'll keep track of the battle, including new developments in inductive charging technology, until we can proclaim a victor.