joining us now is peter cohen, president of peter s. our guest host, julia, stays with us to discuss this as well. peter, in terms of facebook, i'm just going to put the question to you simply. are we overvalued at these levels? >> we're very overvalued. look at the price/earnings ratio. compare it to google. the best one is apple. compare to 12.5. apple grew its earnings over 100% in the last quarter and its p/e is 12.5 whereas facebook's earnings grew only 65% and its p/e is 75. and that's only under the lower valuation, the $75 billion valuation. if it was valued at $100 billion, the p/e would be $100 billion. it's grossly overvalued. >> yeah, those are staggering numbers when you think about it. but in terms of the growth story for facebook, what would facebook have to do to its business model to make you more convinced it could, in fact, grow? >> well, its growth rate would have to be accelerating rather than decelerating. between 2008 and 2009 revenue grew 186% and then the next year they grew 154%. and then in the last year they