With some six billion mobile subscriptions now in use worldwide, around three-quarters of the world's inhabitants now have access to a mobile phone. Mobiles are arguably the most ubiquitous modern technology -- in some developing countries, more people have access to a mobile phone than to clean water, a bank account or even electricity. Mobile communications now offer major opportunities to advance human development -- from providing basic access to education or health information to making cash payments and stimulating citizen involvement in democratic processes. This 2012 edition of the...