Technology

This Wednesday, Oct. 26, 2016, photo shows a Twitter sign outside of the company's headquarters in San Francisco. Twitter will be enforcing stricter policies on violent and abusive content such as hateful images or symbols, including those attached to user profiles, the company announced Monday, Dec. 18, 2017. (AP Photo/Jeff Chiu)
December 18, 2017 - 9:50 am
NEW YORK (AP) — Twitter has begun enforcing stricter policies on violent and abusive content like hateful images or symbols, including those attached to user profiles. The new guidelines, which were first announced one month ago, were put into place Monday. Monitors at the company will weigh...
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FILE - This Dec. 8, 2017, file photo shows the Chicago Board Options Exchange website announcing that bitcoin futures will start trading on the Cboe on Sunday evening Dec. 10. The CME Group, another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday, Dec. 17. (AP Photo/Kiichiro Sato, File)
December 18, 2017 - 8:05 am
NEW YORK (AP) — A new security based on the price of the digital currency bitcoin was trading slightly higher Monday after its debut on the Chicago Mercantile Exchange, a week after another such security launched on a rival exchange. The CME Group, which owns the Chicago Mercantile Exchange, opened...
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FILE - This Dec. 8, 2017, file photo shows the Chicago Board Options Exchange website announcing that bitcoin futures will start trading on the Cboe on Sunday evening Dec. 10. The CME Group, another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday, Dec. 17. (AP Photo/Kiichiro Sato, File)
December 18, 2017 - 2:19 am
NEW YORK (AP) — A new security based on the price of the digital currency bitcoin is trading lower after its debut on the Chicago Mercantile Exchange, a week after another such security launched on a rival exchange. The CME Group, which owns the Chicago Mercantile Exchange, opened up futures of...
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December 18, 2017 - 2:11 am
NEW YORK (AP) — A new security based on the price of the digital currency bitcoin is trading lower after its debut on the Chicago Mercantile Exchange. The CME Group, which owns the exchange, opened up futures of bitcoin, which has soared in value and volatility this year, for trading on Sunday...
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FILE - This Dec. 8, 2017, file photo shows the Chicago Board Options Exchange website announcing that bitcoin futures will start trading on the Cboe on Sunday evening Dec. 10. The CME Group, another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday, Dec. 17. (AP Photo/Kiichiro Sato, File)
December 17, 2017 - 10:38 pm
NEW YORK (AP) — Another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday. The CME Group, which owns the exchange, opened up bitcoin futures for trading at 6 p.m. EST on Sunday...
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FILE - This Dec. 8, 2017, file photo shows the Chicago Board Options Exchange website announcing that bitcoin futures will start trading on the Cboe on Sunday evening Dec. 10. The CME Group, another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday, Dec. 17. (AP Photo/Kiichiro Sato, File)
December 17, 2017 - 9:04 pm
NEW YORK (AP) — Another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday. The CME Group, which owns the exchange, opened up bitcoin futures for trading at 6 p.m. EST on Sunday...
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December 17, 2017 - 6:50 pm
NEW YORK (AP) — Another security based on the price of bitcoin, the digital currency that has soared in value and volatility this year, began trading on the Chicago Mercantile Exchange on Sunday. The CME Group, which owns the exchange, opened up bitcoin futures for trading at 6 p.m. EST on Sunday...
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FILE - This March 1, 2017, file photo shows an exterior view of the headquarters of Uber in San Francisco. A former Uber security specialist fired earlier this year made the explosive allegations in a 37-page letter seeking a big payoff for being forced out. The letter was unsealed Friday, Dec. 15, by a federal judge. (AP Photo/Eric Risberg, File)
December 16, 2017 - 1:34 am
SAN FRANCISCO (AP) — A former Uber security specialist accused the company of dispatching a team of spies to steal its rivals' trade secrets and using shady tactics to thwart its competition in the ride-hailing market, according an inflammatory letter unsealed Friday by a federal judge. Those...
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FILE - In this photo taken Tuesday, Dec. 13, 2016, file photo, Anthony Levandowski, then-head of Uber's self-driving program, speaks about their driverless car in San Francisco. A recent letter from the U.S. Attorney's office confirms the Justice Department has opened a criminal investigation connected to allegations that Levandowski, a former Uber executive, stole self-driving car technology from a Google spin-off to help the ride-hailing service build robotic vehicles. (AP Photo/Eric Risberg, File)
December 15, 2017 - 8:32 pm
SAN FRANCISCO (AP) — A former Uber security specialist accused the company of dispatching a team of spies to steal its rivals' trade secrets and using shady tactics to thwart its competition in the ride-hailing market, according an inflammatory letter unsealed Friday by a federal judge. Those...
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This photo released by NASA shows a replica Orion Spacecraft dropped from a U.S. Air Force C-17 transport aircraft at 35,000 feet in altitude to a southwestern Arizona desert site to test the craft's ability to cope with a partial parachute failure at the U.S. Army Proving Ground in Yuma, Ariz., Friday, Dec. 15, 2017. The test used two of Orion's three main parachutes to simulate the failure of the third and still sufficiently slowed the spacecraft for a landing. It was the fifth of eight tests to qualify Orion's parachute system for flights with astronauts beginning with Exploration Mission-2. (U.S. Army/NASA via AP)
December 15, 2017 - 8:18 pm
YUMA, Ariz. (AP) — NASA on Friday successfully dropped a replica Orion spacecraft from an Air Force transport aircraft to a southwestern Arizona desert site to test the craft's ability to cope with a partial parachute failure. The test used two of Orion's three main parachutes to simulate the...
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