Facebook is continuing to grow very fast. New numbers indicate Facebook is adding about 7 new user accounts per second, or about 600,000 users per day. There are now over 140 million active users on Facebook and more than 660,000 developers who are actively developing facebook apps in more than 180 countries. Other key highlights include that 13 million users update their statuses at least once a day and 700 million photos are added to Facebook everyday. Really incredible. According to Compete, Facebook got about 50 million unique visitors in Nov 08, very impressive.  More information can be found on Facebook’s stats page.