Employees of a petroleum company in Liberia help to curb Ebola's spread via a public health awareness campaign Monday. West Africa is facing its first Ebola outbreak, so questions abound. Abbas Dulleh/AP hide caption

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Liberians In America Help Dispel Ebola Myths Back Home

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Inspector Mohammad Saleem Taqi takes a photo of sanitation workers as they clear out debris in sewers. The government feeds the photos into a map to track the city's effort to stop dengue fever. Beenish Ahmed/NPR hide caption

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How Smartphones Became Vital Tools Against Dengue In Pakistan

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Nokia was the only large phone manufacturer in the world to commit to selling phones running Microsoft's operating system. Now Microsoft is buying Nokia's mobile phone business. Timothy Clary/AFP/Getty Images hide caption

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Will Microsoft's Nokia Deal Shake Up Mobile?

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Men look at mobile phones at the Adjame market in Abidjan, Ivory Coast. The market for mobile telephones in developing countries has grown quickly, and now Facebook and Google are trying to get users to use the Internet on their devices. Issouf Sanogo /AFP/Getty Images hide caption

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A phone booth serves as a free Wi-Fi hot spot in New York City's Columbus Circle. Anna Solo/ hide caption

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Want Free Wi-Fi In New York? Get Near A Pay Phone

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