Facebook Sees 40% Sales Uplift

Facebook said that it had 1.06 billion "monthly active users" at the end of 2012, up 25% year-on-year, including 680 million "mobile monthly active users." The social network said that mobile revenue represented approximately 23% of advertising revenue in the fourth quarter of 2012, up from approximately 14% of advertising revenue in the third quarter of 2012.

Facebook's revenue for the fourth quarter was 1.59 billion US dollars, an increase of 40% year-on-year. Revenue from advertising was 1.33 billion dollars, representing 84% of total revenue and a 41% increase from the same quarter in 2011. Payments and other fees revenue for the fourth quarter of 2012 was $256 million.  source: Facebook statement