The Facebook IPO gets closer and I don’t think I can put off this valuation much longer. While we don’t have an offering price yet, the preliminary estimates are that the company will be valued somewhere between $75 billion and $100 billion. As with my Skype, Linkedin and Groupon valuations, I will present my assumptions and valuation of Facebook, with the admission that I have no crystal ball and know that your estimates will be very different from mine. So, with that disclaimer out of the...