What’s the difference between a 160-year-old man and a man who’s 160 years old? Hyphens! At least, that’s the difference everywhere except the Yahoo! front page:
Using (or not using) hyphens with an age is one of the top three hyphen errors you’ll find on Yahoo!.
When Yahoo!’s writers aren’t putting hyphens where they don’t belong, they’re sticking apostrophes in plurals:
The difference between Chevys and Chevy’s is that one is a plural and the other is a possessive.
What’s the difference here? NeNe Leakes likes her name with camel-case. They did it right once, why not twice?