Unique presentation makes for memorable business

As if I needed one more reason to state that Southwest Airlines knows how to do business the video below is making the rounds on YouTube. I know it's just a silly video, and that rapping won't necessarily work for you in your office, just like the idea of throwing your office equipment wouldn't actually make for a fun environment in say, a Mikasa crystal store. But the tenant of bringing FUN into your space, in whatever way DOES work for you, is something that more companies should strive for. How do YOU have fun at your work? Tell me, I want to know.