According to a mention in the Star-Telegram that appeared in The Washinton Post:
"Facebook may be taking lead over MySpace. Facebook may have started to win the global popularity contest over the rival social network site MySpace, judging from some recent figures. Facebook had 123.9 million unique visitors last month and 50.6 billion page views worldwide, according to the research firm ComScore. MySpace, meanwhile, had 114.6 million unique visitors and 45.4 billion page views. — The Washington Post"