socially inept, introverted, unwilling to interact properly in public, with others, unable to make friends, to make new friends, to just deal with people, and instead, it's classes and caste systems, but instead of genealogical, it's socio-economic strata, it's what school you went to, what you do for fun, the books you read, the tv you watch or don't watch, could be environmental, open to certain experiences and knowledge bases because they are available, they aren't hidden away in some big scary city, and geological, the other part, the in-between, blue/red states, red states with blue population centers, blue states with, well, they're just plain blue, but the internet changes things, changes geopolitical boundaries, changes accessibility, and things are just a little different, or actually, it isn't. classes, castes, continue and the numbers and populations ebb and swell over time and space.