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."
Roslan Rahman/AFP/Getty Images
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.