Facebook vs. MySpace

Which of the two is doing better?

Facebook
Opened to all in September 2006. Traffic multiplied six times over since then.
Current user base : 59 million
Projected growth to mid-2008 : 100 million

MySpace
Acquired by NewsCorp for $650 million in 2005, MySpace is now worth over $2.4 billion
Claims 58 percent of the total advertising market in the Social networks arena at $525 million