People form an idea of what you are like by the way you communicate with them. When you are trying to create a professional impression the last thing you want to do is let spelling mistakes or grammatical errors creep into your written communications. With the increasing use of email in the work environment taking care of your writing skills is more important than ever.
Keep this quick reference card to hand and look at it when you are unsure of a spelling, you want to check your punctuation (especially apostrophes, which are the most abused punctuation mark!), or you're checking work to avoid erratic errors and common confusions.
