Whoa there, Stationery Buyer! Don't go too krazy. With novelty shaped Post-it Notes, you know you're pushing the boundaries of acceptable office supplies conduct. Imagine - instead of using standard square Post-it Notes to leave messages on you start to use Post-its in the shape of arrows(!) or speech bubbles(!). Your work colleagues will be astonished and think you're way out there.
You don't play by the rules - you use novelty shaped Post-it Notes.