So while Facebook was happy to sell 1.6 percent of the company to Microsoft for $240 million for a $15 billion valuation last fall — and tell the press all about it — remember, that doesn’t mean the company is actually worth $15 billion. In fact, a Silicon Alley Insider commenter reports: “Try $2 billion to $3 billion. An owner is out trying to peddle common stock to VC’s right now. The price is under $4 billion for sure.~ ConnectU: Facebook convinces judge it isn’t worth $15 billion