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Greatest human inventions:
Language and writing
Money
Division of labor
Wheel
@matrix and anime
@matrix worst human inventions:
computers
computers
@tuxcrafting
At this point, I think you may be right. 
@matrix @tuxcrafting no, that title belongs to Rhodesia.
@matrix Bladed weapons
@matrix needs sharp rock and pointy stick, humanity's first inventions
