Suspicious that an awkward email or stilted college essay may have been written by artificial intelligence? Some people think there’s a surefire way to tell — the em dash. Writers, journalists and ...

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 ...

Hyphens, en dashes, and em dashes are frequently tested punctuation marks in government exam descriptive writing papers. Hyphens connect words, en dashes show ranges or relationships, and em dashes ...