In the grocery store buying eggs, I picked up a carton off the shelf, checked the eggs, and discovered that one was stuck to the carton, which meant it was cracked and leaking. Since I don't want a cracked egg, I put that carton down and selected another one.
But I put the carton with the cracked egg back on the shelf, which meant that the next person will pick it up, inspect it, find a cracked egg, and put it back on the shelf. And then the next person will pick it up, inspect it, find a cracked egg, and put it back on the shelf. This wastes a little bit of everyone's time and interferes with the smooth flow of traffic in the egg section.
Solution: we need to standardize some way to signal to other shoppers that a particular carton contains a cracked egg.
My idea: If the carton has a cracked egg, leave it open on the shelf. Other people can then avoid it and go straight to cartons that are still closed.
This will also signal to store employees that there's something wrong with this carton, although it's possible they might just close it and put it back.
As an added bonus, if you pick up a carton of eggs and find it contains an egg that's cracked but not stuck to the carton, you could swap that out with one of the good, non-cracked eggs in an open carton on the shelf, thus consolidating all the cracked eggs and potentially reducing waste.