“Regina Dugan, head of Motorola Advanced Technology & Projects and the former director of DARPA, exhibited some of the projects the company is working on. She showed a wearable, electronic tattoo that could be used for user authentication, as well as a pill with a small chip inside and a battery, from a company called Proteus, that creates a signal in the body and the entire body becomes an authentication token. "That becomes my first superpower," Dugan said. "We aren't shipping this right way.” (Moto X smartphone is real and will be launched by October)
It's another featured X product! Meanings of the Letter X, Esoteric and Otherwise
FYI, I just updated an older post, appending some more interesting observations. Serpent Rain and the 666 of Purple Rain.