The Greener Gadgets Conference had some really ‘interesting’ concepts. Take this concept by Jim Mielke for example; a gadget that is ‘tattooed’ under your skin and runs on blood by turning glucose and oxygen into electricity.
It’s an electronic interface embedded under the skin that looks like a tattoo. You could use it as a phone, computer, or traditional tattoo by loading it up with a new tattoo design whenever you get bored. The display “works”… Read More: http://www.trendhunter.com/trends/digital-tattoo/