"sentially your entire body becomes an authentication token,” she said.
Working with the company mc10 to develop a flexible, skin-like tattoo with this capability — which TheBlaze has seen before but it was used checking medical vital signs – Motorola is thinking this could someday be the next stage of durable, wearable technology.
“Imagine a kids’ fake tattoo that can sense how our bodies work: data from the heart, the brain, muscles, body temperature – even hydration levels,” Schlatka told SlashGear. “When a sensing technology conforms to the consumer and not the other way around, it can capture more insights for longer periods of time without discomfort or distraction.”
http://www.theblaze.com/stories/2013/06/...ing-on-it/