... only 2, if they were going forth in modern attitude, they'd be experimenting regularly and it would not have been thousands of years between innovations.) If you have a perfectly adequate spearpoint, you may well not *adopt* a new design. There are piles of discarded stone shards. Had there been a system to classify and store the ones that represent unused experiments, there would be ...

... minded.Ah, but they are. Pristine tribes (those without significant contact with outside groups) are all but static, culturally speaking. 2500 years can pass with only a slight change in spearpoints. Members are locked in a resonance; hence there is no innovation. Societies become dynamic only when that resonance breaks down. At that point persons cease to be simply exemplars of ...

... minded.Ah, but they are. Pristine tribes (those without significant contact with outside groups) are all but static, culturally speaking. 2500 years can pass with only a slight change in spearpoints. Members are locked in a resonance; hence there is no innovation. Societies become dynamic only when that resonance breaks down. At that point persons cease to be simply exemplars of ...

...minded. Ah, but they are. Pristine tribes (those without significant contact with outside groups) are all but static, culturally speaking. 2500 years can pass with only a slight change in spearpoints. Members are locked in a resonance; hence there is no innovation. Societies become dynamic only when that resonance breaks down. At that point persons cease to be simply exemplars of the ...