Martyn WilliamsSenior Correspondent, IDG News Service

Martyn Williams covers technology news in text and video for PC World, Macworld and TechHive and is based in San Francisco. He previously worked for IDG News Service as a correspondent in San Francisco and Tokyo and has reported on technology news from across Asia and Europe.

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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