an example of use ~ read out a person's anger who is angry, digitize it, put it on antenna rebroadcast it to other 100 people that are not angry & if they have this biology within their system, this read/write units, then they will feel exactly the same experience of anger that's broadcasted from a single person and voila ~ you've got yourself an Arab Spring ~ just introduce a little anger into the system.)

That's what CNN and cable news achieves without the use of any nano technology.

ancient evil trans-dimensional space ghosts infecting people is one of the tenants of scientology.
https://en.wikipedia.org/wiki/Thetan

Here is something I cam across you might like, they are using nanotechnology to implant insulin nano networks which they can then trigger using ultrasound.

https://onlinelibrary.wiley.com/doi/full/10.1002/adhm.201300490