Turns out the surveillance state really is nothing new! Really fun story about the history of letter locking in 17th-century Europe from Atlas Obscura.
Nadine Akkerman, a senior lecturer at Leiden University, is an expert in 16th- and 17th-century espionage. But during her research into the Black Chambers, she ran across something perplexing—a document by Samuel Morland, a British spymaster, in which he bragged about his talent for opening and resealing letters. “Wait,” she thought to herself. “Can’t we all do that?”
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