World of Warcraft.
So hey, why not indulge in the daydream -- what if tomorrow you could have any job in the MMO industry? If you could make a very real, very direct impact on the games that are being made or are operating in live mode, what would it be? Would you be a writer, finally free to pen the perfect quest? Would you be a project manager, in charge of the direction and goals of the teams at your disposal? Would you be a big-shot CEO, making the major calls and shaping the future of the company? Or would you settle into a creative role as an artist or composer, helping to contribute to the game's frills?
No, wait, I got it. You'd totally want to be a quality assurance tester. Those guys and gals get all the glory, am I right?