Trouble is like any invention or good idea that saves money from the alternative it means someone is gunna lose & someone is gunna win money wise.
............"it's a poor mans invention if someone isn't making a profit out of it" There in lies the real problem with the word 'efficiencies'
I bought a property recently with solar planes on top & it's great, haven't paid a bill since in fact they pay me!
Moving man in real time simply is too costly, some one ought to re-run Star Trek & get some idea's
Wmk2