facebook valued at

What value can be useful if they had a Facebook IPO?
I know what Facebook might actually be useful if they had an initial public offering. I know I know, Facebook is a value of 3 to 4 million dollars. I wonder what they could find the maximum value at an output a bag? Please answer best answer.
Microsoft has paid nearly $ 240 million for 1.6% share in Facebook in 2007, it seems that Microsoft think Facebook is worth about $ 15 billion. Analysts guess Facebook is about $ 150 million annually through advertising. Most analysts agree in which young companies have a zero value of 1 to 10 times its turnover Facebook solidly put a value exceeding $ 1.5 to $ 2 billion.
FACEBOOK VALUED AT 50 BILLION CNN
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