Calling relatives they hadn't spoken to since 2013: from left to right, Chol Lul Walou, approximately 60, called her daughter and son-in-law; Simon Lam Yiek, 33, called his brother; Nyanchan Maluol Mot, 19, called her sister. Giles Duley/Courtesy of ICRC hide caption

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In Star Wars: Battlefront, gamers can take their pick of customization options for the characters they play. Courtesy of EA hide caption

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These tiny Proteus digital sensors and a wearable patch keep track of how patients take their prescribed medications. It's one example of the growing field of ingestible medical devices. Proteus Digital Health hide caption

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Square CEO Jack Dorsey outside the New York Stock Exchange before his company went public on Thursday. Richard Drew/AP hide caption

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Rajiv Kumar (left), a pediatric endocrinologist, with patient Blake Atkins. The California teenager, diagnosed with Type 1 diabetes, uses Apple's HealthKit to monitor his blood sugar levels and share the information with his mother and doctor. Courtesy of Lucile Packard Children's Hospital Stanford hide caption

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CIA Director John Brennan made this case against encryption on Monday at the Center for Strategic and International Studies in Washington, D.C. Win McNamee/Getty Images hide caption

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A man plays piano near the Bataclan theater in Paris on Saturday, the day after a series of attacks on the city resulted in the deaths of at least 120 individuals. At least 80 people died inside the Bataclan. Kenzo Tribouillard/AFP/Getty Images hide caption

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Google's self-driving prototype car can be found cruising the streets near the Internet company's Silicon Valley headquarters to test programming responses to a variety of situations. Tony Avelar/AP hide caption

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