Smart ‘DuoSkin’ $10 Tattoos: Control Your Phone With Gold-Leaf Trackpad On Skin, Light Up With LEDs [Video]

Just as gold-leaf tattoos seemed to be a fashion trend that was on its way out, MIT found a whole new way to make tattoos out of gold leaf and metal leaf that provide a lot more function. As seen in the video below, DuoSkin tattoos turn your skin into a trackpad for your mobile devices and do so much more in the process.