Linked in valuation part 2

This is a folowup to my recent valuation anaylsis for linkedin 

Chris Moreno from seekinalpha has since provided a much more detailed valuation for linkedin with the same overall conclusion.

The only thing I would add is that the assumed out year margins he used are higher than the company's reported internal targets of 30% (which would put downward pressure on his valuation if adjusted), while his discount rate may be a bit high (which would put upward pressure on his valuation if adjusted).