4,100,000,000 number of mobile phone subscriptions in the world
over 60% of the people on earth have a mobile phone subscription service
in 50 different countries around the world, the number of cellphones per person exceeds 100%
(means more than one cellphone each)
not just places like Korea, but places like Gambia, wehre 1,000,000 people have access to a telephone, and only 50,000 of those are fixed landlines
90% of the world’s population will have access to a cell phone signal by the end of 2010
2,400,000,000 people using SMS (active users)
75% of the people who have data access on their phones
we’re not good at handling numbers, but 1,200,000,000 people use email, so twice as many using text messages
2.3 trillion text messages sent in 2008
20% growth curve over 2007
Source: http://theshiftedlibrarian.com/archives/2009/07/12/mobile-devices-libraries-and-policy-panel.html