October 12, 2012 at 12:19PM International Telecommunication Union: worldwide mobile subscriptions hit six billion in 2011
June 27, 2012 at 6:32AM Pew survey finds that 17 percent of US cellphone users go online mostly on their phones
January 28, 2011 at 5:15PM UN: worldwide internet users hit two billion, cellphone subscriptions top five billion
