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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Uber ships self-driving cars to Arizona after San Francisco spat

A day after it was forced to halt self-driving car testing in California, Uber loaded its cars onto trucks on Thursday and shipped them to neighboring Arizona where it says testing will continue with the support of that state.

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Uber relents, suspends self-driving car tests in San Francisco

Uber has halted its self-driving car trials in San Francisco and agreed to work with state regulators on obtaining proper permits for 16 test cars.

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California demands a defiant Uber get self-driving cars off city streets

A standoff between Uber and the State of California became more serious on Friday when Uber rejected a demand to get permits for its self-driving car program and the state fired back with a threat of legal action.

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Oracle CEO Safra Catz joins Trump's transition team

Oracle CEO Safra Catz is joining president-elect Donald Trump's transition team, it said Thursday.

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Trump, tech leaders avoided encryption and surveillance talk at summit

A Wednesday summit between some of the most powerful people in technology and president-elect Donald Trump covered a wide ground but avoided discussion on two of the biggest issues facing the industry: the use of encryption and government surveillance.

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Trump to tech CEOs: We're there for you

President-elect Donald Trump kicked off a meeting with U.S. tech leaders on Wednesday by promising his administration was there to help them do business and make money.

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Google publishes national security letters for the first time

Google is providing for the first time a look into the world of national security letters -- demands from the Federal Bureau of Investigation to hand over details about account holders and keep quiet about it.

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AirMap, DigiCert to issue digital certificates for drones

Drones will start getting digital identification certificates under a new service being launched on Tuesday that hopes to bring trust and verification to the skies.

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New Synaptics fingerprint sensor sits under glass for smoother phone screens

A Silicon Valley biometrics company says it has developed a fingerprint sensor that can sit under glass so smartphone screens don't need a cutout or extra button to accommodate the sensor.

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IPhone screen maker said to buy major OLED venture

One of Apple’s major suppliers of iPhone displays is poised to make a major investment in OLED screens.

The Internal Revenue Service's IRS tax filing form 1040.

The IRS wants to ID every US Coinbase user from 2013 to 2015

The U.S. Internal Revenue Service has asked a court in California to order Coinbase, a Bitcoin exchange, to hand over the identities of active U.S. users of its service from the beginning of 2013 to the end of 2015.

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With CIA choice, Trump picks a foe of Silicon Valley's encryption stance

In his nomination of Congressman Mike Pompeo to head the CIA, President-elect Donald Trump has picked someone who has supported NSA surveillance programs and been critical of Silicon Valley's stance on encryption.

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When Airbnb asked users to pledge to treat people equally, a lot refused

Stung by ongoing criticism and evidence that some of its hosts discriminated against non-white guests, Airbnb this month began asking users to pledge to treat everyone equally.

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AI beating humans? Not in my lifetime, says Google's cloud chief

The head of Google's cloud business says she doesn't expect machine intelligence to exceed that of humans during her lifetime, despite recent rapid progress that has surprised many.

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LinkedIn's CEO really loves Snap's Spectacles

Jeff Weiner, the CEO of LinkedIn, is very impressed with Snap's Spectacles and the way they've been launched through vending machines that appear in locations for a limited time.