Not my point. The point is discovery and invention are progresdive. It doesn't take away from the original or update, both are significant.
I don't know what color early man was.... likely a variety and likely discovering certain tools around the same time. I was making a facetious point about a stupid argument with a troll who thinks he's the shit because he can Google earlier patents... * slow claps* Good for you Rain Matrix. You missed the point completely.
Also, a hypocaust system is Not a gas heating furnace. A three way light is not the same as an early traffic signal. The popularization of peanut butter in the US did not come from ancient South Americans... point being that black people have contributed in a huge way to our modern western lifestyle. If you cant accept that, it's not my problem. Stop twisting my words to make yourself seem relevent.
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...and I love you too.

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