San Francisco-Based Zynga Acquires Serious Business

San Francisco -- Zynga, the San Francisco-based publisher of social media games such as "Mafia Wars" and "FarmVille," said on Thursday that it will acquire Serious Business, a San Francisco-based developer of social games on Facebook. Financial terms of the deal were not disclosed. Founded in 2008, Serious Business is backed by Lightspeed Venture Partners. The company said that its flagship game, "Friends for Sale," is played by over 6 million people a month. Zynga said that employees of Serious Business will joint Zynga at its headquarters. Zynga counts over 235 million monthly active users playing its games.
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