Either Stone Age man was a technological wizard, who carefully removed his technological achievements so as not to upset his inferior progeny, or our population dwindled from a once astronomical size to the mere three billions of today.
Cybernetics is NOT the banana.
Act always so as to increase the number of choices
Something that cannot be explained cannot be seen.
The environment as we perceive it is our invention.
What we need now is the description of the "describer" or, in other words, we need a theory of the observer.