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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Drones could get a standardized rating system

Drone safety experts are considering a rating system for drones that would show what a particular craft could do and where it would be appropriate to fly it.

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DJI is removing mandatory no-fly zones from its drones

One of the leading manufacturers of consumer drones is loosening the control it has over whether the craft can take off in restricted areas, such as near airports.

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How a telecom investment in North Korea went horribly wrong

An Egyptian company that launched North Korea's first 3G cellular network and built it up to 3 million subscribers says it's effectively lost control of the operator despite owning a majority stake.

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Google Wing head 'anxious to get things done yesterday'

The head of Google's experimental Wing drone delivery project says he wants the service to launch as soon as possible and is working with the government on trials that can be accomplished while regulations are being developed.

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Don't fall for drone registration scams, warns FAA

The Federal Aviation Administration hasn't revealed its plans for drone registration yet, but that hasn't stopped at least one company from trying to make a buck from confusion about the rules.

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Pressure increases on banks to adopt chip-and-PIN

The biggest financial institutions in the U.S. are under renewed pressure to mandate the use of PINs with new chip-based payment cards.

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Huawei prototype battery charges to 50 percent in five minutes

Huawei's prototype smartphone battery was shown off in a pair of videos.

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Fool's gold could mean faster-charging batteries

Researchers at Vanderbilt University have gained new insight into the nanoscale workings of lithium-ion batteries, a discovery that could speed the development of batteries that can be recharged in seconds.

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Watch out, Venmo: Person-to-person payments may be coming to Apple Pay

Apple is in talks with major banks on an extension of its Apple Pay service that would allow person-to-person payments, according to a report.

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Alibaba's Singles Day smashes online shopping records

It was always going to be big, but the day-long "Singles Day" promotion on Chinese online shopping site Alibaba on Wednesday smashed previous records, with millions of people participating and $14.3 billion worth of goods sold.

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VW snags leading self-driving car expert from Apple

Volkswagen just hired an expert on car automation technology away from Apple, signaling its intention to become a serious player in the next-generation and self-driving car markets.

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Alibaba sales hit $5B in first 90 minutes of 'Singles Day' promotion

An annual sales promotion on China's biggest online shopping site is off to an spectacular start with $5 billion of goods sold in just 90 minutes.

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Researchers discover hydrogen treatment brings better batteries

Researchers at Lawrence Livermore National Laboratory have discovered lithium ion batteries can last longer and charge faster if their electrodes are treated with hydrogen.

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Autonomous cars aren't nearly as clever as you think, says Toyota

The head of Toyota's billion-dollar U.S. artificial intelligence research center delivered a reality check on Friday for anyone over-enamored of autonomous car technology: the cars aren't as clever as you might think.

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Google is seeking test pilots for Project Wing, Project Titan

Google is looking for a couple of people with the right stuff -- test pilots for its Project Wing drone delivery project and Project Titan airborne Internet service.