When you think of the daily grind, you think of just that: a dull, sometimes tedious place where you clock in and clock out and can't wait to leave every day, right? Man, that's rough. But what if your workplace was fun? People who say you can't have fun at work are not only wrong, their attitude could be keeping their team from being really successful. Here's how to be the change you want to see, whether or not you're officially in charge of morale around the office.