Samsung executive DJ Koh holds up the new Galaxy Fold smartphone during an event on Feb. 20 in San Francisco. On Monday, the company announced it is delaying the device's launch.
A crew hangs a Huawei advertising banner on the side of the Las Vegas Convention Center in January. Some senators want to ban it the world's third-largest seller of smartphones from the U.S.
Liu Jin Yin, a 26-year-old farmer, has thousands of viewers a day watching his livestream diaries of life on the farm. He has nearly 200,000 subscribers and earns about $1,500 a month.
Researchers found a sudden increase in teens' symptoms of depression, suicide risk factors and suicide rates in 2012 — around the time when smartphones became popular, researcher Jean Twenge says.
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This emergency alert jolted New Yorkers on Sept. 19 as police sought a suspect in connection with explosions in the New York City metropolitan area. Lacking a photo or a link to one, it raised concerns about racial profiling.
Samsung's Galaxy Note 7 is demonstrated in New York on July 28. All owners of the new smartphone have been urged to exchange the device after reports of phones' exploding or catching fire.
The new Apple iPhone 7 lacks a separate headphone jack, which makes people wonder how they can charge the phone while listening to music through a wired headphone via the Lightning connector. Apple's answer: a separate dock that starts at $39.
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Apple CEO Tim Cook discusses the company's new wireless AirPods headphones during an event in San Francisco on Wednesday in which Apple also presented the iPhone 7.
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Smartphone assistants like Siri will give you a national help line to call when you bring up suicide. But they have trouble recognizing other things, like rape or physical abuse.
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