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.

Greenpeace hits Samsung for delaying toxic phase-out

Greenpeace hit out at Samsung on Wednesday for reneging on promises to remove harmful substances from its electronics products.

New iPhone app will put your dog on Twitter

Japan's Index Corp. plans to launch this summer an iPhone adaptation of the "Bowlingual" dog emotion translator.

Sharp, Samsung settle all outstanding LCD patent cases

Sharp and Samsung have put nearly three years of battling over LCD panel and module patents behind them with a deal that ends all patent infringement disputes.

Sony interested in challenging Apple's iPad

Sony hinted on Thursday that it's preparing a challenger to Apple's upcoming iPad.

Softbank pays $20 million for stake in Ustream

Japan's Softbank has paid $20 million for a 13.7 percent stake in Ustream and holds options to purchase further shares, it said Tuesday.