Facebook Reach Explodes in 2009

According to comScore data, Facebook more than doubled its U.S. audience from 54.5 million visitors in December 2008 to 111.9 million visitors in December 2009. It went from being the #11 ranked property to the #4 ranked property. It now accounts for 7 percent of all time spent online in the U.S.

For more, see http://blog.comscore.com/2010/01/strong_year_for_facebook.html