All Tech Considered

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Tech, Culture and Connection

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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The mobile payment device by Square allows small merchants to swipe customers' payment cards with a phone. Square Inc. hide caption

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Square Goes Public And Fields A Flood Of Customer Complaints

The mobile payment startup Square has grown rapidly and went public this week. But it is dogged by complaints from small businesses that use it.

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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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Many federal inmates have access to email but defense attorneys say they don't trust it, because prosecutors have used those emails as evidence in court. Patrick George/Ikon Images/Getty Images 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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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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Researchers at Brown University's computer science department are studying whether a robot called Baxter can be taught to pick up different objects. Joe Palca/NPR hide caption

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Luma is a new Wi-Fi manager that turns a parent's smartphone into an Internet remote control. Luma hide caption

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Destiny Davis (left) and Jamya Whitmore count their missed messages and calls after locking away their phones for a day. Tony Gonzalez/WPLN hide caption

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There was a lot of excitement in 2012, when the Hiriko car was unveiled at this event at European Union headquarters in Brussels. At the time, the then-president of the European Commission, Jose Manuel Barroso, hailed the car as a trans-Atlantic "exchange between the world of science and the world of business." Zhou Lei/Xinhua/Landov hide caption

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A startup in Austin, Texas, has built the prototype of a tiny home that could stack up, in a "rack," and move when you do. Kasita hide caption

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Police body cameras are seen on a mannequin at an exhibit booth by manufacturer Wolfcom at the International Association of Chiefs of Police conference in Chicago, on Oct. 26. Jim Young/Reuters/Landov hide caption

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Is a hoverboard-like scooter your transportation mode of choice? Christopher Furlong/Getty Images hide caption

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You can find your audio commands by visiting your Google voice and audio activity history page. Ariel Zambelich/NPR hide caption

toggle caption Ariel Zambelich/NPR

Privacy & Security

OK Google: Where Do You Store Recordings Of My Commands?

Here's something to keep in mind when using the "OK Google" voice command feature on Android phones: Google keeps an audio archive of your requests.

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