On Mon, 26 Jul 1999 hal@finney.org wrote:
> My feeling is that people stumbled onto some cultural and physical
> changes which set up specific incentives for greater intelligence -
> bipedalism, the use of spears, fire, tools, etc. This brought us up
> to IQ 100. But that was smart enough for these purposes. IQs of
> 130 or 150 wouldn't make someone any better at using these tools.
Maybe they'd be better at impressing dumb people. That might have considerable reproductive value.
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