Why are mobile phones now considered indispensable? - Informatica Aplicata

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With some 6 billion mobile subscriptions 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 a bank account, electricity, or even clean water. Mobile communications now offer major opportunities to advance human development—from providing basic access to education or health information to making cash payments to stimulating citizen involvement in democratic processes.