[Welcome to the Sci-Fi Lunch Break, where we'll be occasionally supplying you with a cool bit of audio/visual goodness to break up the monotony of the work day. You bring the turkey on rye, we'll bring you something out of this world to watch while you eat it.]
I've never played an MMO like World of Warcraft simply because I know that it will suck in all of my time, free or not, like a black hole. I am, however, an old school gamer at heart (hell, I'm even flying half way across the country in two few weeks just to go to a LAN party), so even though I don't have any first-hand experience with MMOs, I have plenty of friends who do and completely understand the mindset of spending hours upon hours cultivating a digital life separate to your own. People have been documenting these obsessions for quite a while now, but honestly the most poignant and simple one I've seen is Avatar Days.
Check it out below.