..."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.
Blogger Sam Tanner tweeted a couple of days ago -- for International Apostrophe Day, apparently: "An apostrophe is the difference between a business that knows its shit and a business that knows it's shit." This applies especially to those little careless mistakes that really matter -- ones on new business proposals, resumes, introduction emails, etc.
One of the most memorable stories a former boss told me was of a big client who turned down an advertising pitch because of just one misspelled word: If that one word was misspelled, the client reasoned, how could he trust handing over a whole campaign?
Everyone's prone to making little mistakes when rushing, but the moral of the story is that if you don't think of your business or career as shit, make sure you double-check (or triple-check) your stuff when it counts the most. Not sure what's right and what's wrong? Check out our guide to using apostrophes correctly.