[ExI] Numbers not part of default settings for humans?

[Dan TheBookMan]

http://www.smithsonianmag.com/innovation/how-humans-invented-numbersand-how-numbers-reshaped-our-world-180962485/

Jesse Walker posted this on his Twitter feed. I'm a little skeptical, but I haven't read the book yet.

Regards,

Dan
  Sample my Kindle books via:
http://author.to/DanUst
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