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.

IPhone 6S launch in Palo Alto

Apple eyes OLED screens for the iPhone in 2018, report says

Apple is planning to introduce OLED screens to its iPhone, switching from current LCD technology to one that produces brighter, more vibrant and colorful images, according to a report.

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Got a new drone? Read this first

Got a new drone? You're not alone. But drones aren't like other gadgets and there are a few important safety, privacy and legal guidelines you need to follow to keep you and your drone out of trouble.

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Hilton says malware targeted its credit card system

Hilton Worldwide says it has identified and removed malware that targeted card payment systems at some of its hotels over a 17-week period from late 2014 to mid 2015.

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Here's what all those strange emoji on your phone really mean

Few people know that emoji were created by NTT DoCoMo in 1999 for its I-mode service, and many still exist that refer to Japanese food, culture, society and holidays. Here's the story behind some key emoji.

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Google's Internet-spreading Project Loon balloons now fly for three months straight

Google is succeeding in keeping high-altitude balloons aloft in the stratosphere for more than three months at a time -- a key goal in its ambitious Project Loon program to deliver Internet from the sky.

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Task force recommends light regulation of drones

A drone industry group created by the Federal Aviation Administration (FAA) to develop rules for drone registration is recommending the government apply just about the lightest touch possible.

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Drone registration recommendations handed to FAA

A mandatory consumer drone registration system looks set to be in force before the end of the year after an industry task force delivered its proposals for the system on Saturday.

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Project eyes particle accelerator in a shoe box with Gordon Moore grant

Scientists in Silicon Valley and Germany have kicked off a five-year project to create a particle accelerator that's the size of a shoebox -- a project that, if successful, could revolutionize scientific and medical research.

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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.

Google Project Wing

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.