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.

NEC drone camera

NEC's surveillance system will detect, track drones

NEC has developed a surveillance system that can spot drones from up to a kilometer away.

Panasonic DMR-UBZ1

Panasonic shows world's first UltraHD '4K' Blu-ray player

Panasonic will soon begin selling in Japan a Blu-ray Disc player compatible with 4K UltraHD discs, the first such player in the world.

sharp robohon

Sharp's Robohon is a cute little robot that doubles as a phone

From the country that brought you pretty much every crazy robot you've ever seen, Sharp on Tuesday showed off a prototype robot that doubles as a smartphone -- or is that a smartphone in the form of a robot? It's not entirely clear, but it is cute.

16Lab Ozon

16Lab shrinks its sensor-laden wearable computing ring, preps dev kit release

Japanese wearable gadget maker 16Lab has reduced the size and increased the functionality of its Bluetooth gesture controller ring and plans to put it and a development kit on sale soon.

florida east coast railway and portmiami

Agreement reached on controversial TPP trade deal, may affect some digital rights

Twelve countries representing nearly 40 percent of the global economy have reached basic agreement on an expansive new trade deal called the Trans Pacific Partnership.

Nissan Teatro for Dayz

Nissan's new concept car is a digital canvas inside and out

Nissan's latest concept car will pass the digital cool test but it won't do much to stop distracted driving: the entire dashboard is one huge display on which drivers and passengers can post anything.

IBM engineer reflected in wafer

IBM carbon nanotube breakthrough could bring faster, smaller chips

Researchers at IBM say they've made a major breakthrough in carbon nanotube technology that could speed the development of smaller, faster and more powerful chips.

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?