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Rare-earth mining company replaces CEO amid SEC probe

Mark Smith, the chief executive of rare-earth mineral mining company Molycorp, was replaced today, a month after the company disclosed it was under a Securities and Exchange Commission investigation regarding the accuracy of its public disclosures.

Rare-earth minerals are key ingredients for mobile phones, as well as wind turbines, hybrid cars, and night-vision goggles. The vast majority of rare-earth minerals are mined in China. But Molycorp is one of a handful of Western companies hoping to elbow into that business. This summer, Smith gave CNET a tour of Molycorp's Mountain Pass, Calif., mine as part of a series on … Read more

Watch Siri open a garage door

Despite owning an iPhone 5 for several months, I find myself using Siri only when someone else wants to see how it works.

A video created by a Raspberry Pi enthusiast motivates me to learn about Siri's unadvertised side -- as a place where hackers can use special software to teach Apple's voice assistant new commands. One such person found a compelling use for the $35 Linux-based Pi and Siri: the ability to open a garage door with a push of a button and a simple spoken sentence. … Read more

Apple's Find My iPhone app gets driving directions

Apple today made a slight new addition to its Find My iPhone software (iTunes), with a tweak that gives owners driving directions right to a lost device.

Under the previous system, users saw only the precise location on a map with the option to refresh. The new update shows your device's location just like a point of interest within Apple's maps software, with the option to fire up driving directions by tapping a car icon.

In practice this means you can now hunt down a device's location without having to guesstimate a location and switch over to … Read more

HTC's Windows Phone 8X receives first Microsoft update

Microsoft is deploying the first Windows Phone 8 update to select international devices; the first bump will arrive for the HTC Windows Phone 8X.

Dubbed "Portico," the over-the-air Windows Phone 8 update includes a number of new features as well as a fix for a pesky Wi-Fi bug.

As some readers may know, the HTC 8X will switch to a cellular connection upon going to standby. A nuisance for Microsoft's mobile base since the days of Windows Phone 7, the update now gives users the option to keep Wi-Fi going even after the screen times out.

In … Read more

Samsung Galaxy S4 will be a no-show at CES

Don't hold your breath for Samsung to unveil the Galaxy S4 any time soon.

The successor to Samsung's blockbuster Galaxy S3 smartphone won't be showing up at the Consumer Electronics Show next month, CNET has learned.

At the tech confab, Samsung is planning to introduce a number of electronic products, heavily focused on televisions, according to people familiar with the company's plans. Those announcements, however, do not include any major mobile news, and Samsung plans to showcase its mobile products at a separate media event after CES.

Speculation about the Galaxy S4's arrival surfaced yesterday … Read more

Windows Phone 8

Hot on the heels of Windows 8 came Windows Phone 8, the first major upgrade to Microsoft's smartphone operating system. By bringing a heavy load of much-needed features like support for HD screens, multicore processors, and NFC, Microsoft did a lot to close the gap separating it from Google and Apple. The ability to customize tile size gave users more control over the OS's unique look and feel, and it didn't hurt that it debuted on strong devices such as the Nokia Lumia 920 and the HTC Windows Phone 8X.

But there were some problems. Existing Windows … Read more

IDC device maker ranking shows Apple value, Samsung volume

In the brave new world of connected personal computing devices, Hewlett-Packard is a distant No. 4, with Samsung and Apple leading the way.

Think of IDC's "Worldwide Smart Connected Device Market" report as the 21st century equivalent of PC maker rankings.

Personal computing today includes tablets and smartphones, not just the laptop in your father's home office.

That global smart-connected device market grew 27.1 percent year-over-year in the third quarter to a record 303.6 million shipments valued at $140.4 billion, IDC said today in a research note.

"HP, which is virtually non-existent … Read more

Quad-core smartphone shootout

Until now, smartphones with quad-core processors used to be just a twinkle in the eye of wistful Android addicts and gadget gurus. Either that or they remained exotic pieces of futuristic hardware reserved for foreigners. Quad-core handsets are now starting to arrive in force. The question is: which device packs the biggest CPU wallop? This chart lays it all out with deeper analysis below.

Phone HTC One X+ LG Nexus 4 LG Optimus G HTC Droid DNA Samsung Galaxy Note 2 Processor 1.7GHz quad-core Nvidia Tegra 3 1.5GHz quad-core Qualcomm Snapdragon S4 Pro 1.5GHz quad-core Qualcomm Snapdragon … Read more

Jefferies cuts Apple stock target, cites iPhone 5S and more

It has been a rough few weeks for Apple investors, and so far, this week isn't looking much better.

Shares, which dropped nearly 10 percent last week alone, slid 1 percent to $527.74 in recent trading after Jefferies analyst Peter Misek cut his target price for Apple's stock to $800 from $900.

Misek said that Apple's financial results this quarter and next quarter should be well above analysts' expectations, but decelerating unit sales, price declines, and gross margin pressure should limit the stock's climb.

Meanwhile, Misek expects an iPhone 5S to launch in June or … Read more