Nokia May Turn Tattoos Into More Than Body Art

Today a tattoo is a popular way of showing off a little individuality, but historically tattoos were used as a form of communication. Roman soldiers and slaves were tattooed on the hands, arms or even face as a way to alert those around them to their status, allowing authorities to more easily keep track of those in bondage. Soon tattoos might be used for communication again -- but for a very different purpose.

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