Facebook developers can now charge subscriptions

Facebook's dropping its virtual currency, credits, and says it will now allow app developers to charge subscriptions.

Chinese convicts forced to play World of Warcraft

Most gamers are familiar with the practice of 'gold farming' - building up game credits in multiplayer games that are then sold on to other players.

Facebook wants credits, not dollars

Facebook and social game developer CrowdStar have signed a potentially lucrative deal for the exclusive use of Credits as a virtual currency.