Photo credit: bandini from

Today is World Smile Day -- so show those pearly whites!  Unless, of course, you're from the old'n days where smiling wasn't allowed.

You've seen those old black and white photos from back in the day -- nobody ever smiled.  Why?

Nicholas Jeeves from Public Domain Review wanted to know the answer to that question too, and after some digging, here's what he found out.
People didn't smile because it meant you were poor or an alcoholic.

Photo credit: southernfried from

So it boils down to this -- if you want to be seen as upper class - don't smile.