The booming popularity of social networking services such as Facebook and Twitter in Korea has given rise to a host of new businesses that hope to take advantage of this growing market.


One of the most promising sectors: social games.


Social


The term refers to games people can play online with friends they already connect with on social networking sites.


Most of them are relatively simple compared to complex titles such as “World of WarCraft,” a massively multiplayer online role-playing game that requires a fair amount of savviness to master.


But they excel in other areas, allowing users to strengthen ties with large numbers of friends.


ding to the London-based market research firm Screen Digest, the world social game market is expected to rise from $639 million last year to $1 billion in 2011 and $1.5 billion in 2014.


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