Martyn WilliamsSenior U.S. Correspondent, IDG News Service Follow me on Google+

Martyn Williams covers mobile telecommunications, Silicon Valley, and general technology breaking news for the IDG News Service, and is based in San Francisco.

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4K TVs already boosting Sony's TV business, Hirai says

The new TV sets already make up at least 10 percent of Sony's TV sales

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California crop circle was Nvidia marketing stunt

The Salinas circle was part of the launch of the company's new Tegra K1 chip

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Chevy's 2015 Corvette Stingray to get telemetry recorder

The next model in the in iconic range will feature an advanced telemetry system from Cosworth

New types of RAM could revolutionize your PC

MRAM and RRAM chips are starting to move beyond niche and could change your PC experience in a few years.

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LG's curved 4K OLED TVs coming to CES

Display makers are still struggling to reliably produce OLED screens at screen sizes large enough for televisions

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CES Scorecard: the biggest misses of CES 2013

For all the solid technology shown at CES, there's an equal amount of "throw it out and see what sticks" gadgets and gizmos. Here are some products that didn't work or didn't materialize.

Report: NSA looking to crack all encryption with quantum computer

The spy agency is working on a cryptographically useful quantum computer, according to The Washington Post

Police make murder arrest after cellphone theft goes wrong

A robbery suspect is killed and another is taken into custody in San Francisco

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Venture capitalist proposes California 2.0, a plan for six new states

Tim Draper says Silicon Valley needs a government that is more tech savvy

T-Mobile hints at big CES announcement

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The company says you won't believe what it unveils at the Las Vegas show.

BlackBerry CEO: We'd love to try iOS, Android

John Chen said he's very interested in taking the BlackBerry experience to rival platforms.

Foxconn will develop some Blackberry phones

The move marks a major change in strategy for Blackberry, as it steps back from the hardware market.

Proposed California law would mandate smartphone kill switch

The bill, if passed, could effectively mean kill switches on phones sold across the US.

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Toyota to bring fuel-cell concept car to CES

The FCV is designed for a 500-kilometer range and three-minute refueling stops.

Most iPhone users have activation lock enabled, survey finds

The survey, by San Francisco's district attorney, sees room for improvement in Apple's implementation