Made of super thin, flexible materials, based on VivaLnk’s eSkinTM technology, each digital tattoo is designed to unlock your phone with just a touch of your Moto X to the tattoo, no passwords required. The nickel-sized tattoo is adhesive, lasts for five days, and is made to stay on through showering, swimming, and vigorous activities like jogging. And it’s beautiful—with a shimmering, intricate design.The Official Motorola Blog
It’s always exciting to see technology imagined by science-fiction authors come to life, but… I’m pretty sure it’s just as fast to unlock your phone with a fingerprint scanner (if not faster). Bonus: you don’t need to replace fingerprints every five days!