True (and +1 for putting the actual detail into this discussion rather than the sensationalist headline). But part of turning it down, at least in Arrington's

True (and +1 for putting the actual detail into this discussion rather than the sensationalist headline). But part of turning it down, at least in Arrington's seemingly informed opinion, is based on Facebook (read: Zuckerberg) believing he has other options which must be in the ballpark of that valuation or above.