The E-Citizen app from Senegal uses photos and audio recordings. For example, click on a photo of a baby and select either French or a local dialect. You'll hear how to register a newborn child.
Kristy Totten for NPR
It seems like every kid is online. But UNICEF's director of data, Laurence Chandy, observes: "It's a huge inequity between those who have access and those who do not."
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Snapchat users can upload photos and videos onto the new Snap Map. When a topic is trending, it'll pop up on a heat map. The image above is a composite of Snapchat screen grabs.
Some workers in low-income countries are choosing bitcoin, a virtual currency powered by blockchain technology, to send money to their families. It's cheaper, faster and doesn't require a middleman.
Andrew Baker/Getty Images/Ikon Images
Morehouse College freshmen Philip Rucker, Damon Redding and Tyree Stevenson use a programming language called Python to plot a map of weather stations in the United States.