Circle of 6 was born out of the 2011 "Apps Against Abuse" challenge, a partnership between the Office of the Vice President, Department of Health and Human Services and the White House Office of Science and Technology Policy. Kainaz Amaria/NPR hide caption

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Pinterest has created a database of "things in the world that matter to human beings," says Alexis Madrigal. Pinterest hide caption

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Can Pinterest Compete With Google's Search?

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Sit Down, Plug In And Travel The World Through Sound

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Taxi drivers protest against Uber, an on-demand car service app, during a 24-hour strike July 1 in Barcelona, Spain. They say it undercuts their business and are calling for the government to ban it. David Ramos/Getty Images hide caption

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Uber, Airbnb Under Attack In Spain As Old And New Economies Clash

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Customers can get a tactile experience trying on glasses at Warby Parker's shop in New York City. Elise Hu/NPR hide caption

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It's Boom Times For Pop-Up Shops As Mobile Shopping Clicks

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An Aymara woman prepares to take part in a pageant in La Paz, Bolivia, in 2013. Jaqi-Aru, a community of volunteers is working on translating the Facebook interface in the indigenous language of Aymara. Juan Karita/AP hide caption

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Citizen Evidence Lab Separates Truth From Fiction In Viral Videos

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The BACTrack Vio keychain breathalyzer and app on the iPhone at NPR headquarters in Washington, D.C. A public health researcher says tools like this could help people make better decisions about alcohol use. Meredith Rizzo/NPR hide caption

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Meet The Guy Who's Putting Your Cat On The Map — To Prove A Point

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