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End of Windows XP Support Spells Trouble for Some

Microsoft will end support for the persistently popular Windows XP on Tuesday, and the move could put everything from the operations of heavy industry to the identities of everyday people in danger.

An estimated 30 percent of computers being used by businesses and consumers around the world are still running the 12-year-old operating system.

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Tech Stock Sell-Off Spreads to Asian Markets

A sell-off of Internet and technology stocks that started on Wall Street spread around the globe on Monday, with tech companies in Asia hammered by worries about excessively high valuations.

Mainstays of the Internet economy such as Google and Netflix that have surged over the past year were hammered on Friday as investors had a change of heart and decided prices were too high. The technology-heavy Nasdaq had its biggest one-day drop since February.

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Tech Stock Sell-off Spreads to Asian Markets

Internet and technology stocks tumbled across Asia on Monday as a sell-off spread from Wall Street where investors knocked down such companies over worries about excessively high valuations.

Mainstays of the Internet economy such as Google and Netflix that have surged over the past year were hammered on Friday as investors had a change of heart and decided prices were too high. The technology-heavy Nasdaq had its biggest one-day drop since February.

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It's about Time: New Atomic Clock is More Accurate

Good news for people who are sticklers for punctuality: The National Institute of Standards and Technology has a new atomic clock that isn't supposed to gain or lose a second in roughly 300 million years.

The new clock was launched Thursday. It's located at the institute's Boulder center.

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M.I.A., Janelle Monae Perform Hologram Duet

Singers M.I.A. and Janelle Monae shared the stage during separate concerts on opposite coasts through the magic of holograms.

M.I.A. performed in New York with a 3-D projection of Monae Thursday night while Monae sang on the West Coast with M.I.A.'s likeness.

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Google Launches Digital Tour of Cambodia's Angkor Wat

Cambodia's Angkor Wat has been digitally mapped for the first time, allowing people to visit the World Heritage Site from the comfort of their armchair using Google Street View.

The project is part of a growing trend aimed at Internet users who might otherwise never have the chance to visit the cultural and architectural wonders of the world.

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Microsoft Launches 'Cortana' Smartphone Assistant

Microsoft on Wednesday took on Apple's Siri and Google Now with a smartphone personal assistant dubbed "Cortana."

Windows Phone vice president Joe Belfiore introduced Cortana onstage at the technology titan's annual developers conference.

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T-Mobile to Stop Selling BlackBerrys in U.S.

Struggling Canadian smartphone maker BlackBerry said it will not renew an accord allowing T-Mobile to sell its phones in the United States.

When the current license expires April 25, T-Mobile, a unit of Deutsche Telekom, will no longer offer BlackBerry phones on its U.S. network.

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Samsung: Patents Developed by Google Engineers

Samsung fired back at Apple's accusations of patent theft Tuesday, saying the South Korean tech giant didn't write any of the Android software on its smartphones and tablets, Google did.

"Not one of the accused features on this phone was designed, much less copied, by anyone at Samsung," Samsung attorney Peter Quinn said. "The accused features on this phone were developed independently by some of the software engineers at Google, up the road in Mountain View."

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App Happy: Wedding Help in the Palm of Your Hand

Doug Appleton's grandparents couldn't travel to his New York City wedding last October, but the tech-savvy Floridians were as present on the Big Day as anyone could be from 1,000-plus miles (1,600-plus kilometers) away.

Thanks to FaceTime, the two-way Apple video-calling app, Gerald and Jacqueline Sherman watched by video stream as Appleton, 27, and Lauren Becker, 26, tied the knot. The newlyweds even have a picture of the ceremony that captures the Shermans' faces on the iPhone that was used to connect them.

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