Let’s face it: gone are the days when employees specialized in a certain area and stuck with that – in a single industry – for their entire careers. But unfortunately, many of us haven’t been trained in more than one area. Maybe you are coding whiz but you know nothing about finance. Maybe you’re great with data but really haven’t ever perfected the art of grammar and spelling. It can be tough to hone a new skill if you’ve been out of school for a while, but, if you’re looking to advance your career, adding even one of these 7 skills to your arsenal may be just the extra something you need to get your next position.