This is a guest lecture given at Artesis Plantijn Hogeschool Antwerpen to promote and inform students about the possibilities of developing PHP applications.
81% of our monthly active users are outside the U.S. and Canada. 584 million daily active users on average in September 2012. 604 million monthly active users who used Facebook mobile products as of September 30, 2012. Source: http:/ /newsroom.fb.com/Key-Facts