In a subtle yet telling update, OpenAI’s ChatGPT now lets users turn off the em-dash by using its custom instructions. That ...

It’s rare that a punctuation mark becomes grist for the online rumor mill. But recently, an uptick in focus on AI and its impacts has brought a Blake Lively-esque level of attention to the em dash, ...

For as long as I can remember, I’ve been giving this note to my editing clients: “Replace floating hyphen with proper em dash.” It comes up when I’m proofreading images, like PDFs, and I see a hyphen ...

A version of this column first appeared in Stephinitely, a weekly newsletter from columnist Stephanie Hayes featuring a bonus column and behind-the-scenes chatter. Get it in your inbox every Monday.

OpenAI has not achieved its goal of developing a superintelligence or artificial general intelligence, nor has it cracked its planned construction of an autonomous “AI researcher.” But it has figured ...