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.

Nissan IDS concept at Tokyo Motor Show

Renault Nissan plans 10 autonomous cars by 2020

Renault Nissan plans to launch 10 cars in the next four years featuring autonomous driving technology.

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Inside the mobile drone command post of the future

At a fraction of the cost of a helicopter, it's no surprise that public safety agencies and media companies are eyeing drones for serious work but how to monitor and control them? The Trident is a converted Mercedes Benz van that can act as a complete mobile command post for drones.

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Sony's elegant Bluetooth Glass Speaker adds mood to music

Sony's attractive Glass Speaker is an affordable version of a $10,000 speaker the company launched in 2008.

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The coolest, wildest, most futuristic car tech of CES 2016

Whether it's self-driving technology, advanced safety systems, smartphone-linked entertainment or cool concepts, the show has something for everyone. Here's our pick of the best.

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FAA drone registrations hit 181,000

More than 181,000 drones have been registered in the Federal Aviation Administration’s new drone registration database.

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Next-gen drones, talking sunglasses, and other Day Two sights from CES

Intel and Sony headlined press-conference day, showing off gadgets from collision-avoidance drones to turntables, which are making a resurgence at CES. Here's some of the things that caught our eye.

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Sony goes retro with a new record player

In an era of self-driving cars and wearable computers, Sony delivered something of a surprise at CES on Tuesday: a new record player.

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Google loses robotics chief to Toyota's $1B research lab

James Kuffner, the head of Google's robotics division and one of the original team of ten who started its self-driving car work, has left the company for a job at Toyota's $1 billion research institute in Silicon Valley.

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Audi is taking high-speed, self-driving cars to a California race track

Audi plans to begin testing highly automated self-driving car technology at a California race track that's more used to hosting auto races.

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Apple expected to cut parts procurement on slow iPhone sales

Asian electronic component makers are expecting Apple to cut procurement orders by about 30 percent in the coming quarter due to weaker than expected sales of the new iPhone 6S and 6S Plus, according to a Japanese media report.

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Ford will triple its autonomous car test fleet

Ford is planning to triple the number of cars it has on city streets and test tracks researching autonomous driving technology.

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A Batmobile, two drones and other sights from CES Day One

It's time for the electronics industry to make its annual pilgrimage to the Nevada desert for the CES show. Thousands of great products, and some questionable ones, debut at the show. Here's the pick from Monday.

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Watch Faraday Future unveil the crazy FFZero1 concept car

Faraday Future's FFZero1 concept car is certainly eye-catching. Its design was instantly likened to the Batmobile and it features a "UFO line" that the company says "is intended to give the sense that this vehicle is not completely of this world."

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Parrot previews wing-shaped Disco drone

Parrot has developed a distinctive wing-shaped drone that swoops through the sky at high speed and can be automatically controlled from a smartphone app.

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Got a new drone? Read this first

Drones aren't like other gadgets—they can hurt people or tangle with aircraft if you're not careful. Learn these important safety, privacy and legal guidelines to keep you and your drone out of trouble.