It would be better to consider Facebook's monthly active users at the time of their IPO. The breakdown looks more like this: Facebook at IPO: MAU: $845M [1],

It would be better to consider Facebook's monthly active users at the time of their IPO. The breakdown looks more like this: Facebook at IPO: MAU: $845M [1], Valuation: $104B [1], Value/User = $123 Facebook Today: MAU: 1.15B [2], Valuation: $120B [3], Value/User = $104 Twitter at IPO: MAU: 218M [4], Valuation: $18.1B [5], Value/User = $83 [1] http://en.wikipedia.org/wiki/Initial_public_offering_of_Facebook http://en.wikipedia.org/wiki/Initial_public_offering_of_Face... [2] http://thenextweb.com/facebook/2013/07/24/facebook-users-q2-2013/ http://thenextweb.com/facebook/2013/07/24/facebook-users-q2-... [3] https://www.google.ca/finance?q=NASDAQ:FB https://www.google.ca/finance?q=NASDAQ:FB [4] http://techcrunch.com/2013/10/03/blindtweeting/ http://techcrunch.com/2013/10/03/blindtweeting/ [5] http://techcrunch.com/2013/11/06/twitter-prices-ipo-at-26-per-share/ http://techcrunch.com/2013/11/06/twitter-prices-ipo-at-26-pe...