According to Screen Digest research groups show that "World of Warcraft" online games have occupied the West to pay 58% of the market. Since the commercial release in 2005, the "World of Warcraft," Blizzard, also world of warcraft cd key, as the contribution for the fixed monthly fee income reached 2.2 billion U.S. dollars. Screen Digest report showed that pay at online games market in 2008 grew by 22%. At present, Europe and North America to pay the online games market has reached 1.4 billion U.S. dollars. The agency said the investigation will be continued growth in this market, like many people want to know wow cd key’s price information, the reasons are manifold, including free online games to take the customer to pay the success of treatment mode. Items charging mode and is somewhat similar to that in a free game available to more users pay for content and better service, for always likes to play games without the many restrictions on free online games very attractive players. The key of this is to know wow cd key information and other games characters. Screen Digest analyst Piers Harding-Rolls in the report pointed out that despite the free online games model in the Asian market was a great success, but the game does not mean that the death toll. Consider charging him online games market is still much in the West.