[brentm]

And one other thing -- Maybe less younger people will sign up as time goes on (I don't disagree with the kids not wanting to be where their parents are theory of why FB will fall apart) but FB has shown the right instincts in acquiring (or attempting to acquire) the next social product of the moment or where the "kids are" so to speak. Everyone thought Instagram @ $1B was near insanity at the time and now it looks like the deal of the century in terms of what their estimated private valuation would be today ($37B+ in March [0]).

[0] http://www.businessinsider.com/instagram-valuation-2015-3