I saw an odd little oval sticker on the floor of the powder room today. It was a clear sticker, and I could tell it was lying on the floor backwards:

It looked like it spelled "opaads". I picked it up and turned it over:

Yep. "opaads". But that's a weird name for a product. What kind of product is an "opaad"? But then I realized that it was still upside-down:

Ah, OK. Mystery solved, I went back to eating my breakfast.