3 ms·A quarter of the US population isn't common? Not to mention entire countries with limited connections.by dingus 7y agoA quarter of the US population isn't common? Not to mention entire countries with limited connections.staticjak 7y agoCommon is 50% or more by everyone's definition.mckinney 7y agoYou confuse "Most" with "Common" e.g., A Toyota is a common car to see on the road. See.