LugarOS
Joined 4 years ago
Karma
12
Submissions
10
Member since
Jan 10
Joined 4 years ago
It's probably because cavemen had to carry 10 rocks at a time, 15 max. We didn't have to use such large numbers until recently in human history.
Except maybe to make the words Correct and Wrong have colour so you don't have to read it every time. :]