24 July 2013 Last updated at 16:34 ET
The number of mobile Facebook users increased by 51% from last year
Shares in Facebook have leapt 17% as it beats earnings expectations with stronger than expected mobile ad sales in the second quarter.
The company reported profits of $333m (£217m) in the second quarter.
"The work we've done to make mobile the best Facebook experience is showing good results and provides us with a solid foundation for the future," said founder Mark Zuckerberg in a statement.
Facebook is the world's largest social networking company.
Source: BBC News - Business http://www.bbc.co.uk/news/business-23440198#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
