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.

Hillary Clinton

Hillary Clinton aides worried about antiquated technology, use of personal email

Senior aides to Hillary Clinton when she was secretary of state expressed concerns about the poor level of State Dept. computer technology and the use of personal email by staffers, according to emails released on Wednesday.

Apple Pay payment

What you need to know about the big changes coming to on-the-go payments this week

It's the biggest week in payment technology since Apple Pay was introduced last year, and the changes could have a long-term impact on how you buy goods and services in stores.

Google self driving car

Google triples self-driving car fleet in four months

Google's self-driving car fleet is expanding fast and in the last four months the number of cars it is permitted to drive on California streets has more than tripled.

Tesla Model

Tesla's autopilot mode expected in October

An autonomous driving mode that will take some of the strain away from the driver during long trips should arrive in Tesla cars in the next few weeks.

victim of identity theft

One in every 14 Americans fell victim to identity theft last year

A total of 17.6 million people were victims of identity theft in the United States in 2014, the majority of it aimed at credit cards and bank accounts, the Department of Justice said Sunday.

IPhone 6S launch in Palo Alto

This woman bought an iPhone via a telepresence robot

It might have been the most unusual customer to ever appear at Apple's Palo Alto store, but not entirely out of place in the heart of Silicon Valley.

Presidents Obama and Xi news conference

US, China reach cyberespionage agreement

The U.S. and China have reached their first ever cybercrime and cyberespionage agreement, but the deal is quite general and how it will translate into actions is still unclear.

Xi Jinping at Joint Base Andrews

What would a US-China cybertreaty really mean?

After weeks of meetings, the U.S. and China appear to be on the verge of an historic first agreement on hacking and cyberespionage, but what might a deal actually accomplish?

President Xi Jinping

Cook, Bezos, Nadella to meet Chinese President Xi on Wednesday

The top executives of five of the biggest tech companies in the U.S. will meet with Chinese President Xi Jinping in Seattle on Wednesday.

Google self driving car

Hold the hovercraft: These technologies are reinventing transportation

Transportation technology is advancing quickly and will soon change the way we get from point A to point B. Here are the most promising advances, from hyperloops to autonomous vehicles to re-imagined personal transport devices.

Bitcoin

New York issues first bitcoin license, brings consumer protection

New York State's financial regulator has issued its first bitcoin license, bringing consumer protection, compliance and cyber-security guidelines to what still is very much the wild west of the financial industry.

susan rice at GWU

US, China appear close on cyber economic espionage deal

China and the U.S. appear close to a ground-breaking agreement on cyber espionage that could be signed later this week when President Xi and President Obama meet in Washington.

Apple

Apple reportedly sets 2019 date for first electric car

Apple is targeting its first electric car for release in 2019, The Wall Street Journal reported on Monday.

Boston Dynamics Spot robot at Quantico

Marines test Google's latest military robot

The latest version of a walking, quadruped battlefield robot from Boston Dynamics, the military robotics maker owned by Google X, was tested by U.S. Marines last week.

susan rice at GWU

China 'must stop' cyberespionage, warns US National Security Advisor Rice

China's government must halt economic espionage in cyberspace, U.S. National Security Advisor Susan Rice warned on Monday, days before Chinese President Xi Jinping is due in Washington, D.C., on an official visit.