Well this is cool.
Predicted by Ian Pearson more than 10 years ago, along with many other interesting things – http://www.futurizon.com/future/skin3.htm
Always a bit of a surprise when the future arrives. The adjacent possible just expanded a whole lot more.
Address of the bookmark: http://www.guardian.co.uk/artanddesign/architecture-design-blog/2013/mar/13/electronic-tattoo-monitor-patient-symptoms