Notes, letters, cards—all methods of reminders are important. We spend a lot of time in elevators, and unfortunately, it's a place where a lot of people forget their manners (or rather, need to be reminded of them). Thankfully, some individuals and corporations have added an element of humor to their pleas for common courtesy, whether they realize it or not. While they vary in subject and complaint, check out these 25 Hilariously Passive Aggressive Elevator Notes and make sure you're not one of the people they're talking about.

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