Te La Quinta Columna research on self-assembly of nano materials… seems like I'm only now catching up on old news >:-(

"Recent technological advancements have ushered in a new era of the “internet of bodies” (IoB), with an unprecedented number of connected devices and sensors being affixed to or even implanted and ingested into the human body."

PDF:

http://www3.weforum.org/docs/WEF_IoB_briefing_paper_2020.pdf

or

https://web.archive.org/web/20200810021007/http://www3.weforum.org/docs/WEF_IoB_briefing_paper_2020.pdf