Mohammadens are probably dumb enough to build everything we could ever want, at slave wages, if we can convince them they're building bomb vests.
Productivity would soar. Let's start with a Hormel bacon factory and see what happens.
Depends on the world economic situation.
I can easily envision 3-4 plausable senarios.
Not WHAT, but WHERE will it be?
Nano is only something between an idea and a dream. Like a voyage to the moon was in the 16th Century.
Good fiction on the subject is Stevenson's "The Diamond Age".
http://www.amazon.com/exec/obidos/ASIN/0553380966/qid=1102065155/sr=2-1/ref=pd_ka_b_2_1/104-1174065-1559967
3
Design and testing all done up front with digiatl modeling. Faster time from concept to market with fewer recalls also due to software. More robotics. The unltimate goal will be a factory without lights, not because of the electrical bill savings, but because it is completely automated and no one works there. The renewed love affair with cheap labor will end as quickly as it started.