Exclusive: Zynga About to File for IPO

Zynga is poised to file for its initial public offering, according to sources close to the situation, as early as this week, or next week at the latest.

The San Francisco-based online gaming company's valuation in its last round of funding was $10 billion, but it is likely to price itself higher in an offering, given the recent series of strong IPOs for Internet companies.

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