Sometimes, I don't know why I use Facebook. Here's a real post, with names changed to protect the guilty:

"Gertrude: dad what is that thermometer thing in my car? It says it's half way could u fill it up with whatever it is? Dad: Gertrude, that thing helps u know if ur car is over heating or not. Gees! I don't know anything about cars. All I know are the tires and steering wheel"