When Will WoW Lose Its Luster?
Is Second Life Dieing?
There has been much talk over how long an MMO can last. This article looks at the apparent decline of the game Second Life, however it does talk a little bit about Warcraft, so it's worth looking at.
This membership model has worked wonders for World of Warcraft, another virtual realm. With 11 million subscribers paying up to $15 a month for access to the fantasy world, the game pulls in perhaps $1.9 billion a year. No advertisers required.
You can find the whole article here.