>World commerce is older than you think. I'm aware that trade networks long precede recorded history, and potentially precede fully-modern humans. The fact tha

>World commerce is older than you think. I'm aware that trade networks long precede recorded history, and potentially precede fully-modern humans. The fact that you can have homsapien admixture (eg: homo sapiens + denisovans) far, far outside of Africa is proof enough for that. The time scales did use to be different, and speeding things up as much as possible does not seem to be a good thing.