I logged in last night to find that on my accounts I had a BOA for an Onyxia vanity pet:



Wired.com has a full article on the game and it's past 5 years here.

After five years, it’s hard to imagine a world without World of Warcraft. Released Nov. 23, 2004, the massively multiplayer online role-playing game has set the standard for the genre.

More than 11.5 million players from around the world, from all walks of life, spend hours a day in the world of Azeroth. They embark on epic adventures, battle other players or just hang out. And each of them pays developer Blizzard Entertainment $15 per month for the privilege.

Players create characters and develop them over time, forging relationships with other gamers and going on quests to gain experience or loot. Whether they play with strangers, friends or alone, Warcraft’s polished virtual world proves easy to get into and hard to get out of.