A lot of things were unthinkable 20Y ago that were perfectly normal for the century leading up to the mid-1960s. Pretty much everything you list was, at one ti

A lot of things were unthinkable 20Y ago that were perfectly normal for the century leading up to the mid-1960s. Pretty much everything you list was, at one time, somewhere between commonplace and not-infrequent. It was the commercialization that brought with it the divide.