There is a punctuation mark that Emily Dickinson used obsessively, that Mary Shelley deployed with abandon, that David Foster Wallace built an entire prose architecture around, and that James Baldwin ...

AI overuses the punctuation mark because of how it's trained and how it predicts text, researcher Mustafa Ocal explains.

Add Yahoo as a preferred source to see more of our stories on Google. An em dash in a gold frame. Photo illustration by Salon / Getty Images /fotograzia/PATSTOCK It’s rare that a punctuation mark ...

OpenAI CEO Sam Altman shared in a social media post that the company has now fixed ChatGPT’s overuse of the “em dash,” which is the extra-long hyphen that’s commonly seen in AI-generated text. In the ...

People are treating the presence of em dashes, especially if they're used in abundance, as one of the biggest tells if something was written by large language models. Of course, just because a piece ...