N is for nectar, a designator that allows the tagged information to be shared with other 'second party' countries -- little bits of information, perhaps yours, could be making their way anywhere in the world, like pollen scattered in the wind.
Robobees are being developed at Harvard School of Engineering and Applied Sciences, with funding from the National Science Foundation. It's possible that if we lost all our honeybees, robobees could save us from agricultural disaster by autonomously pollinating fields of crops. Or robobees could be used for search and rescue reconnaissance in dangerous situations. And, of course, robobees could be used for spying. Maybe they could even shoot little weapons, since they're basically tiny drones.
8 applications of color, with blind emboss
Kochi Kozo paper