Nanarchy

http://www.engadget.com/2015/01/23/nanobots-in-mice-do-the-twist/

Whatever the marketing said, I never really counted non-stick toilet bowls or "exfoliating nano-beads" as Nanotechnology. This however seems to be the real deal.

(image http://fc06.deviantart.net/fs70/i/2013/059/6/6/nanobot_by_mcguile-d5wkhhh.png)