This week Facebook announced they now have a monthly active user base of over 1 Billion. Zuckerberg posted about it, and through their agency of record, Wieden & Kennedy, they launched a brand spot in tandem with it. Some notes below.

· The median age of a Facebook user is 22. In 2008, that age was 26. FB is getting younger.

· FB has 600M monthly active mobile users.

· There have been over 1.13 trillion likes since launch in Feb 09.

· Top 5 countries where people connect from (alphabetical): Brazil, India, Indonesia, Mexico and the United States.