> Interesting, I wonder how people survived before the advent of modern air conditioning. I believe that there used to be many fewer people (absolutely and rel

> Interesting, I wonder how people survived before the advent of modern air conditioning. I believe that there used to be many fewer people (absolutely and relatively) living in the southern US. Then air conditioning was invented and people realized they could get away from the sometimes brutal winters in the north without having to be miserable in the summers.