Facebook is worth US$50 Billion
[4 Jan, 2011] Facebook was officially valued at US$50 billion after an investment from Goldman Sachs and a Russian Investor, Digital Sky Technologies. Facebook has yet to launch an IPO.
http://www.todayonline.com/Business/EDC110104-0000158/Like-this!-Facebook-valued-at-$64,2-billion
In comparision, Google was valued at US$153.4 billion [Jul 2010], Apple was at US$300 billion [Jan 2011], and Microsoft was at US$219.18 billion [May 2010].
Tech Explosion 