Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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Martyn Williams covers Silicon Valley and general technology breaking news for the IDG News Service, and is based in San Francisco.

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Taking a ride in Hyundai's Ioniq autonomous car

It was only a couple of years ago that auto makers started appearing at CES touting self-driving car systems. Now those vehicles are taking to the roads in various trials around the world, including an autonomous version of Hyundai's Ioniq four-door sedan.

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Sony planning VR beyond gaming, says Hirai

The PlayStation VR is Sony's biggest and boldest push yet into virtual reality, but consumers can expect more from the company in the TV and music realms, its CEO said in Las Vegas on Wednesday.

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Sony previews an OLED TV with an eye-popping picture

Sony showed off on Wednesday an OLED television it plans to sell later this year that features a gorgeous image and eliminates traditional speakers by vibrating the display to produce sound.

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TCL targets Apple and Samsung with new BlackBerry handset running Android

For a brand that's been written off by many, TCL Communication has big plans for BlackBerry.

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Chrysler unveils Portal, a high-tech concept car for millennials

Chrysler is betting millennials will want to be as connected in their cars as they are at home with a new concept car that mixes high-tech gadgetry with a head-turning design.

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The US has sanctioned Russia over election hacking

The U.S. government has sanctioned Russia's main two intelligence agencies, four military intelligence officers and is kicking out 35 Russian diplomats over what it says was aggressive harassment of U.S. officials and cyber operations around the 2016 presidential election.

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Amazing pictures from CES history

The annual Consumer Electronics Show, now simply "CES," is upon us once again. Over the last 50 years, CES has grown along with the industry it serves to become one of the world's major showcases for new technology. Halls that are now filled with autonomous cars, 4K flat-screen TVs, and advanced wireless devices were once home to record players, cassette tapes, and black-and-white TVs. Here's a look at CES in its early decades.

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Uber ships self-driving cars to Arizona after San Francisco spat

A day after it was forced to halt self-driving car testing in California, Uber loaded its cars onto trucks on Thursday and shipped them to neighboring Arizona where it says testing will continue with the support of that state.

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Uber relents, suspends self-driving car tests in San Francisco

Uber has halted its self-driving car trials in San Francisco and agreed to work with state regulators on obtaining proper permits for 16 test cars.

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California demands a defiant Uber get self-driving cars off city streets

A standoff between Uber and the State of California became more serious on Friday when Uber rejected a demand to get permits for its self-driving car program and the state fired back with a threat of legal action.

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Oracle CEO Safra Catz joins Trump's transition team

Oracle CEO Safra Catz is joining president-elect Donald Trump's transition team, it said Thursday.

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Trump, tech leaders avoided encryption and surveillance talk at summit

A Wednesday summit between some of the most powerful people in technology and president-elect Donald Trump covered a wide ground but avoided discussion on two of the biggest issues facing the industry: the use of encryption and government surveillance.

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Trump to tech CEOs: We're there for you

President-elect Donald Trump kicked off a meeting with U.S. tech leaders on Wednesday by promising his administration was there to help them do business and make money.

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Google publishes national security letters for the first time

Google is providing for the first time a look into the world of national security letters -- demands from the Federal Bureau of Investigation to hand over details about account holders and keep quiet about it.

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AirMap, DigiCert to issue digital certificates for drones

Drones will start getting digital identification certificates under a new service being launched on Tuesday that hopes to bring trust and verification to the skies.