The WoW Token, is a new in-game item that allows players to simply and securely exchange gold and game time between each other.
You can purchase a WoW Token through the in-game Shop for real money, and then sell it on the Auction House for gold at the current market price. When a player buys a WoW Token from the Auction House for gold, the Token becomes Soulbound, and the player can then redeem it for 30 days of game time.
The WoW Token will be going live in the Americas region (North America, Latin America, Australia, and New Zealand) on April 7 when maintenance concludes, at approximately 10 a.m. PDT.
Read more in the announcement here
Read more about the launch and rollout here.
How do you think this will effect World of Warcraft?