I think, they made their first appearance back in the 80s.
I had made myself one, much to the dismay of my dear Mom, who neither liked the fabric I've chosen nor the design. Of course - I liked both!
Back then, I made it out of a T-Shirt fabric with a colourful Paris-esque print (Eiffel tour etc), now it's made out of a wonderful corduroy, embellished with sequins.
I wore it to the office, of course I did.
I love it!
And it's so simple. I can see more of those skirts in my future.