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The magician who invented pay toilets

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John Nevil Maskelyne was a master of illusion, but his greatest trick was making people pay to use the bathroom. In the 1800s, he invented a lock for public toilets that required inserting a penny to open the door, coining the phrase 'spend a penny.' Even brilliant stage minds know the real money is in monetizing bodily functions.

The magician who invented pay toilets
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