Is this interactive tattoo the future of 'wearable' technology? Fitbit makers plan interactive inking implanted in the skin The future of 'wearable' technology may be a sub-dermal tattoo currently called 'Project Underskin,' it may be on the market in the next five years •It will be implanted into the skin with a visible tattoo in the thumb's knuckle and a larger, invisible tattoo in the palm •The tattoo would interact with everything the person touches •The tattoo would be able to unlock doors, monitor vitality, protect credit card information and more
