Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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

Pixel Qi shows prototype touchscreen displays

Pixel Qi, a display start-up that's generating buzz for its laptop screen that works well both indoors and outdoors, showed off prototype touchpanel versions.

Protesters provide noisy welcome to Computex

About 30 demonstrators provided a noisy start to the Computex trade show in Taipei on Tuesday when they protested working conditions in the tech industry.

Apple to SIM-lock Japanese iPads

Apple appears to have reversed course in Japan on a key feature of its iPad 3G and won't offer a version capable of being used with any cellular carrier.

Fujitsu improves color e-paper screen

Fujitsu Laboratories will unveil next week a new version of its electronic paper display that's easier on the eyes, the company said Friday.