! By 2007 ,there were more cellphone Subscriptions than people in the world’s developed economies and by 2011,three-quarters of the world’s 5 billion had cell subscriptions.
! By 2007 ,there were more cellphoneSubscriptions than people in the world's developed economies and by 2011,three-quarters of the world's 5 billion had cell subscriptions.
! By the 2007th, there were more cellphone Subscriptions than people in developed economies and by the World's in 2011, Three-Quarters of the World's 5 billion had Cell Subscriptions.
! By 2007 there were, more cellphone Subscriptions than people in the world 's developed economies and, by 2011 three-quarters. Of the world 's 5 billion had cell subscriptions. .