So based on $133/million per month in revs is ~ $1.6 billion this year.
Current valuation on SecondMarket = $50 billion
$50 billion/$1.6 Billion = a 31.25 multiple.
5 to 10 times revenues seems to be a reasonable way to value startups/private companies nowadays (for the most part). But a multiple of 31.25? Wow.