eric savitz of "forbes" and john swartz of "usa today." eric, you wrote recently about the facebook valuation, that it's yet to ipo. how is there any way to even calculate what facebook is supposed to be worth? >> well, it's value is in the eye of the beholder, right? >> are you high or low -- >> pretty darn high. the expectations have been that the valuation range will be somewhere in the 75 to 100 billion dollar range. let's assume that it's going to be at the high end, which i think is a reasonable guess. that's the way it's been trading in the private market. $100 billion. and clearly, this is an unbelievably successful company. 850 million users, close to $4 billion in revenues last year. a billion dollars in process. but on $100 billion you've really got to believe in a big way that this is going to be one of the biggest companies ever. i mean, you're talking about a company that would be trading at 100 times last year's earnings, something like 27 times revenues. and while obviously the growth continues if you put that -- compare th