We love flying Delta, but even we'll admit that this was a bad idea.

Partnerships can be a beautiful thing, but Delta and Diet Coke get a "swing and a miss" grade on this one. They've apologized for the creepy napkins on their flights after a public outcry and said that they're in the process of replacing them.

Let's be honest - flying is a total loss of personal space, especially now that they're making the seats smaller on purpose. You're sitting in close quarters with complete strangers, some of whom have no regard for other human beings and will kick their shoes off and eat a bucket of fried chicken at the same time.

You'd think, with all of this awkwardness, that airlines would be mindful of their marketing. In this case, they weren't.