Someone taped up a sign in the bathroom at my office. ​Over the span of several months, I moved the sign up about a tenth of an inch every single day. 

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When the sign finally made it to the ceiling, I replaced it with something that had a similar layout but was all about getting robbed by bees. 

On my last day at that office, I asked why there was a sign about bees taped to the ceiling, and nobody had any idea what I was talking about.