The em-dash, once a simple punctuation mark, is now being used as a "slop-watermark" in online content. This technique involves embedding the em-dash character repeatedly to obscure or alter the meaning of text, making it difficult to read and potentially used for malicious purposes. AI
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RANK_REASON The item describes a novel, non-technical misuse of punctuation that is not tied to a specific AI model or company, fitting the 'meme' category for unusual or fringe topics.