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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Samsung profit plummets on weak smartphone sales

Weak demand for mobile phones and display panels pushed down Samsung's profits last quarter, and the company doesn't expect much improvement this year.

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As video surges, Facebook considers a dedicated service

Facebook is considering a dedicated service or page where users will be able watch videos and not be bothered by other content.

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After lackluster Apple report, all eyes on Samsung

Just how bad are conditions in the smartphone market? We'll get a better idea later Wednesday when Samsung announces its latest quarterly earnings.

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Sony is moving its PlayStation base to California

Sony plans to shift its global headquarters for PlayStation from Tokyo to California this year, it said Tuesday.

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Europe's space laser communications system will launch this week

A "space data highway" that links satellites using high-speed laser transmissions should take a big step forward this week with the launch of the Eutelsat 9B satellite.

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Almost 300,000 drones have been registered with the FAA

The Federal Aviation Administration says its drone registration system has hit almost 300,000 registrations, one month after launch.

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Criminal charges filed against two LA drone pilots

The Los Angeles City Attorney filed criminal cases against two drone pilots on Wednesday for allegedly flying their drones in controlled airspace.

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San Francisco has had its first self-driving car accident

San Francisco saw its first traffic accident involving an autonomous car earlier this month when a Nissan Leaf autonomous vehicle operated by Cruise Automation hit a parked Toyota Prius.

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Major tech companies spent millions more on lobbying in 2015

Most major tech companies increased the amount of money they spent attempting to influence lawmakers in Washington, D.C., through federal lobbying.

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Automakers will collaborate to try to stop car hacks before they happen

Major automakers plan to work with the U.S. government to attempt to proactively deter hacks of connected cars before they become a major issue.

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Obama will ask for $4 billion for self-driving car research

The U.S. government plans to spend almost $4 billion over the next 10 years on research into autonomous driving and, as a first step, will come up with a set of model regulations to govern the technology and its use on public roads across the country.

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Rinspeed's Etos car has its own drone and Microsoft Cortana

Swiss designer Rinspeed has come up with a good looking concept car that's packed with technology for the business user. The Etos is based on a BMW i8 but has what might be described as a turbo tech package.

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This Toyota can get you online from anywhere

It's a common feature of long distance driving: the Internet dead zone. Usually when you most need directions or have to make a call, you're in the middle of nowhere with no signal and a lot of frustration.

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Audi, Lexus reveal hydrogen concept cars in Detroit

Audi unveiled a sporty SUV concept powered by a hydrogen fuel cell at North American International Auto Show on Monday.

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Ford takes its autonomous car for a drive in snow

Ford is giving its autonomous cars a challenge not yet faced by Google's self-driving car fleet in Silicon Valley: snow.