AI writing has made the em dash a telltale sign, and Reddit is buzzing

rufusd · x · 2026-10-20

X user @rufusd notes the topic has blown up on Reddit: with AI-generated text everywhere, the em dash—used heavily by LLMs—has become an obvious marker of AI writing. One reply jokes we should make the em dash a legit thing again.

Related event: Em dashes aren't proof of AI — Austen and Hemingway used them first(3 posts)→

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