For as long as people have been using AI to churn out text, other people have been coming up with “tells” that something was written by AI. Sometimes it’s punctuation that comes under suspicion. (The em dash is generally considered the shadiest.) Other times it’s words that robot writers seem to love and overuse. 

But what if the biggest giveaway that a text was written by AI isn’t a word, phrase, or punctuation mark, but a particular sentence structure instead? 

The idea that certain rhythms of sentences might be a sign of AI writing first came to my attention........

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