Austin-based tech company Chaotic Moon is engineering a "smart" stick-on gadget: Tech Tats, they're called. They're applied just like the temporary tattoos of your childhood—stick on and wash off—except these high-tech tats can monitor vital signs, track GPS location, even hold credit card information.
Via Olivier Janin
The Tech Tattoos are compelling regarding their fashion potential and their low-cost approach (this needs to be verified).
The challenge is how to deliver power to their components ? Classic micro-batteries ? Piezo resistances ?
And what can motivate me to spend some money for a very short time wearable device ?