But that obsession to serve has now been replaced with an obsession to cut costs and keep prices low, which was just one of the methods Walton used to bring his cause to life.

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That these new pricing methods bring high-end devices to prepaid without the steep upfront costs.

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According to Dr Nduati, combining both methods can bring the infection rate below 8%.

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One of the ways I suggested was to bring traditional capabilities, methods and approaches to Big Data (namely Hadoop).

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Babatunde Osotimehin: One good example of that is Ethiopia, where about 38, 000 health extension workers are leading the effort to bring long-acting modern family planning methods closer to communities, especially to isolated and rural ones.

FORBES: UN Population Fund Executive Director on HIV/AIDS, Maternal Health, and Leadership