In case you weren’t aware, it’s National Punctuation Day, “a celebration of the lowly comma, correctly used quotes, and other proper uses of periods, semicolons, and the ever-mysterious ellipses.” (via City Desk)

Ten typographic mistakes everyone makes (link via Lifehacker)

A blog about unnecessary quote marks. (via Biz Stone, Genius)

Update: On a related note, check out the flickr group Atrocious Apostrophes