“24/7” and the Limits of Jargon [Updated: It’s Actually Informal!]
[Updated 10:30 p.m. ET, 9 May 2022: Thanks to Josh’s comment, I now have a different take on 24/7. It’s not limited to contracts—one hears 24/7 in all sorts of contexts. So I don’t think it’s jargon. Instead, it’s informal. I suspect that it’s more common in speech than in writing; that’s often the case with informal usages. But it’s … Read More