Are Smartphones Making SMS Projects Obsolete?

Are SMS projects still relevant? Are toll-free phone numbers still needed? As more and more people in developing countries have access to cheap smartphones and third generation (3G) network coverage, should we still be utilizing text messaging and voice calls in development programs? Having completed a coordinated program of cross-sectoral mobile phone projects in Papua New Guinea, funded by the Government of Australia, I came up with seven guiding principles for the use of mobile phones in development efforts in Papua New Guinea and similar contexts.

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Are Smartphones Making SMS Projects Obsolete?