«Mobile penetration». 9 July 2010. http://www.deccanherald.com/content/332274/there-more-mobile-phones-people.html. «Almost 40 percent of the world's population – 2.7 billion people – are online. The developing world is home to about 826 million female Internet users and 980 million male Internet users. The developed world is home to about 475 million female Internet users and 483 million male Internet users.»
