http://lifehacker.com/5833722/an-apostrophe-is-the-difference-between
…”a business that knows its shit and a business that knows it’s shit.” Put another way, the devil is in the details and paying attention to fine points (grammar or otherwise) can make or break you.
This stuff actually happens… in Australia, cafe chain The Coffee Club actually had bottles for their water, co-branded with Wolf Blass (wine brand), with a superfluous apostrophe. I thought I’d taken a picture of it once but I can’t find it – I’ll do one soon and post it here, as proof đ