Social-networking sites may be worth as much as $35 billion trillion, Pedc says

In the unlisted company Stock Exchange market Second Market,facebook "market value" is 16 billion dollars. One big reason for Facebook's rise is that digital Sky technologies, a Russian investment firm, opened up shares to early Facebook investors and employees.

Facebook has 400 million independent visitors per month and 200 million users a day to visit Facebook. 48% of users log on to Facebook every night. Facebook's advertising business has grown rapidly as virtual gaming companies have bought new users and companies to promote their Facebook pages. "Pay with Facebook" (paid via Facebook) features Facebook's involvement in the virtual goods industry and may eventually become an Internet payment tool. Facebook's cash flow is positive. TBI, a market research firm, predicts Facebook will have more than $1 billion trillion in revenue this year.

Pedc said Facebook's January 2010 stock options were priced at $16.17, which, if measured at 80% discount, The value of the preferred shares, which were issued in May 2009, will be $83.75 trillion, multiplied by the estimated number of shares that Facebook is worth: nearly 35 billion dollars.