I was thinking last night...I swear all humans or certain of us have been chipped since the 1990's. Years ago I read about a microscopic robot in the form of an insect that would be used to deliver...anything small or smaller than itself into the human body-I assume by remote control.
I notice this article says " are being developed"..I recall hearing about it in 1996.
Its part of a world of tech that is the hottest to invest in right now (hmmmm):http://www.nanotech-now.com/
If you put 'microscopic robots chip' into search engine you get this story first:http://www.theregister.co.uk/2008/04/25/darpa_micro_clock_plan/
It makes reference to what sounds like mc slavery below...more importantly it has links to contracts and such.http://www.darpa.mil/mto/solicitations/baa08-32/index.html
Just go from there I guess.
Why wouldnt these companies use humans for experimentation if they could get away with it?