http://www.mediaweek.com/mw/news/recent_display.jsp?vnu_content_id=1001883999 2004 revenue: $36 million 2005 revenue: $52 million 2006 revenue: $?? million Only some of that is from Adsense, of course... But even then, that's low to mid $xx,xxx per day. (About.com is way overloaded with ads. It's worse than many MFA sites I've come across.)