If you’ve never seen than mistaken for then, or haven’t seen the compound adjective 30-second without its hyphen, then you haven’t been reading Yahoo! DIY.
What would Yahoo! DIY be without its very own misuse of it’s for its?
Somehow in that same article, this got past the eagle-eyed editors:
I think it has something to do with wearing a pattern to keep your head warm. Frankly, I think a hat would be warmer than a pattern.
Of course there are more typos, like this one below:
Call me old-fashioned, but I appreciate the well-placed hyphen and the beauty of a real dash (like this: —) and not a puny hyphen:
Also, I think pronouns (like them) should refer to a noun that’s actually present in the same sentence. Or paragraph. Or article.