Here’s the lowdown on this sentence from Yahoo! Style: It’s wrong.
Lowdown is not two words and its should be a contraction for two words (it’s).
It’s no wonder that the byline for this article is simply “Yahoo! Style staff.” If I wrote that poorly, I wouldn’t want my name attached to the article, either. Among the many, many mistakes is this totally random use of an apostrophe and a couple of apostrophes that go missing:
Why didn’t anyone notice that subjects is missing its apostrophe and the plural of bathroom doesn’t have an apostrophe? Didn’t someone spot the misspelling of Ashley? Doesn’t anyone at Yahoo! know that it’s (and not its) is a contraction for it is? Did it really take the entire “staff” to make that many gaffes in one sentence?
This excerpt from Yahoo! Style may be a new record for Terribly Write: The most errors in a single sentence:
In honor of its new status, I thought I’d point out just a teensy error: Lewis Eisenberg is NOT the chairman of the Republican National Committee. Reince Priebus is the chairman of the RNC. And Agnes Gund is the president emerita (since she is female) of MoMA (which is the correct shortening of the Museum of Modern Art).