The global rise of Facebook is nothing less than astounding. In the month of June alone it gained 24 million unique visitors worldwide, compared to the month before, for a total of 340 million unique visitors worldwide.
It is now the fourth largest site in the world, trailing only Google, Microsoft, and Yahoo sites, according to comScore.
Worldwide unique visitors (June, 2009):
Google Sites: 844 million
Microsoft Sites: 691 million
Yahoo! Sites: 581 million
Facebook: 340 million
Wikimedia Foundation sites: 303 million
AOL: 280 million
eBay: 233 million
CBS Interactive: 186 million
Amazon: 183 million
Ask Network: 174 million.
Source : TechCrunch.
