The Echo, a digital assistant that can be set up in a home or office, vaulted into the top 10 of Amazon's best-selling electronics this year. Mark Lennihan/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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"We don't collect a lot of your data and understand every detail about your life. That's just not the business that we are in," says Apple CEO Tim Cook, shown here at the NPR offices in Washington, D.C., on Thursday. Ariel Zambelich/NPR hide caption

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A person plays Candy Crush Saga on his tablet in Lille, northern France. This year, mobile games revenues are expected to fly past console games and hit more than $30 billion worldwide. Philippe Hugen /AFP/Getty Images hide caption

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In Steve Jobs: The Man in the Machine, director Alex Gibney turns a critical lens on the Apple co-founder and his products. Courtesy of Magnolia Pictures hide caption

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Siri's answer to the brain-teaser question "What's zero divided by zero" generates a response that people find both funny and unnerving. NPR hide caption

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Apple's senior vice president of Internet Software and Services Eddy Cue speaks about Apple Music during the keynote at the annual developers conference. Justin Sullivan/Getty Images hide caption

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Taylor Swift accepts the award for top artist at the Billboard Music Awards. Swift's receiving the lion's share of credit for forcing Apple to pay artists to stream their music, even during a free trial period for users. Chris Pizzello/Chris Pizzello/Invision/AP hide caption

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An Apple I computer, built in 1976, is displayed during the First Bytes: Iconic Technology From the Twentieth Century, an online auction featuring vintage tech products at the Computer History Museum in 2013 in Mountain View, Calif. Justin Sullivan/Getty Images hide caption

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