Microsoft has been awarded a patent for using human skin as a power conduit and data bus. This is in an effort to create an effortless Personal Area Network (PAN) through which devices such as cell phones and PDAs can communicate through the body’s existing infrastructure. Article Link.
Patent No. 6,754,472, which was published Tuesday, describes a method for transmitting power and data to devices worn on the body and for communication of data between those devices.