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

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

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Smartphone thefts plummet after kill-switch introduction

Thefts and robberies of smartphones fell in three big cities with iPhones leading the pack

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With employee help, ID theft ring allegedly stole $700,000 in Apple gift cards

Five people have been indicted in scheme that took advantage of Apple 'instant credit' gift cards.

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New iOS spyware steals pictures, data, and more even from non-jailbroken iPhones

Spyware from a pro-Russian group is targeting iPhones, whether they're jailbroken or not, says Trend Micro

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Apple now neck-and-neck with Samsung after monster quarter

As iPhone 6 propelled Apple, Samsung sales dropped because of competition in China.

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Apple tops Chinese smartphone market for the first time

The popularity of the iPhone 6 helped Apple beat out Xiaomi to become number one in China, according to a market researcher

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Google, Facebook, Apple spent record amounts on lobbying in 2014

As many others cut back, a new breed of tech company doubled down on influencing Washington.

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Apple Pay activated 1 million times in first three days

Consumers appear enthusiastic about Apple's new payment system.

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Apple Pay tops Tim Cook's to-do list in China

Apple CEO wrapped up a four-day trip to China on Friday

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Rite Aid stores block Apple Pay, Google Wallet payments

Payments were accepted at Apple Pay's launch on Monday, but appear to have been blocked by the retailer.

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Some Bank of America customers double-charged with Apple Pay

The bank said the minor glitch should be resolved by the end of Wednesday

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Why Apple Pay could even be a big deal for Android users

A success for Apple Pay could push others in the mobile NFC payment market to up their game

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Tim Cook visits Palo Alto Apple Store line to launch iPhone 6 sales

Apple's CEO met customers and posed for selfies.

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The kill switch is here: iOS 8 enables it by default

Apple is the first smartphone maker to abide by a new California anti-theft law by inserting a "kill switch" into iOS 8, which powers the iPhone 6.

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Subway to accept NFC payments starting in October

The sandwich chain will roll out contactless payments at 26,000 restaurants

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Want lithium-ion batteries to last? Slow charging may not be the answer

For the first time, scientists have examined how a battery operates on the particle level

on pcworld.com