Are Facebook's users worth $100 each to the company - all 500m of them? Really?
Virtual gifts aren't changing the world anytime soon.
http://en.wikipedia.org/wiki/History_of_Google#Financing_and...
http://blogs.wsj.com/digits/2010/03/04/investors-bet-on-pric...
Goldman invested into FB - so they can now act as marketmaker for their customers.