If you’ve ever used AI for writing, or had to determine if something was written by AI, you'll know that some people now consider the em dash a telltale sign of AI use. OpenAI has now stepped in to ...

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 ...

On November 14, Sam Altman, CEO of OpenAI, posted on social media, “Small-but-happy win: If you tell ChatGPT not to use em-dashes in your custom instructions, it finally does what it's supposed to do!