Just something random we noticed today at work: female singers from the 30s don't seem to smile in pictures. Do a Google Image search for "Zarah Leander" (one of the more famous German singers of the time..."Kann denn Liebe Sünde sein") and you'll see tons of pictures like this:
Well, guess who else doesn't smile in pictures? Oh-so-cool hip hop people, that's who. Do a Google Image search for "Snoop", and you'll see pictures like this:


Anyone notice any resemblances? :)