Facebook has announced some interesting stats along with the IPO, including:
We had 845 million MAUs as of December 31, 2011, an increase of 39% as compared to 608 million MAUs as of December 31, 2010.
We had 483 million daily active users (DAUs) on average in December 2011, an increase of 48% as compared to 327 million DAUs in December 2010.
We had more than 425 million MAUs who used Facebook mobile products in December 2011.
There were more than 100 billion friend connections on Facebook as of December 31, 2011.
Our users generated an average of 2.7 billion Likes and Comments per day during the three months ended December 31, 2011.
Facebook also announced a whopping $3.7 billion annual revenue, $1.8 billion in operating income and $1 billion net income.