Elevators are one of the most uncomfortable social environments the public has to offer. You're trapped in a tube with a bunch of strangers. You're packed incredibly closely with people of all different hygienic statuses. Worst of all, you're supposed to stay silent to avoid making people uncomfortable. Everybody's already uncomfortable in an elevator, and casual conversation is unlikely to solve this problem. If there's one thing I respect, it's the ability to clear out a crowded elevator . El…

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