Amazon launches Kindle content service for kids

Amazon is launching a subscription service for children’s games, videos and books aimed at getting more kids to use its Kindle Fire tablet devices.

Amazon is launching a subscription service for children’s games, videos and books aimed at getting more kids to use its Kindle Fire tablet devices.

South Korea’s Samsung won a home court ruling in its global smartphone battle against Apple on Friday when Seoul judges said the company didn’t copy the look and feel of the U.S. company’s iPhone, and that Apple infringed on Samsung’s wireless technology.

Samsung Electronics Co., the world’s largest maker of memory chips, mobile phones, flat-screen panels and televisions, said Friday that its preliminary second-quarter operating profit jumped nearly 80 percent from a year ago to a record high. Analysts attributed the sharp rise to its mobile business.

SAN FRANCISCO—With scores of smartphones available, one obvious way for them to stand out is with size. Two new phones take that to extremes: HP’s tiny Veer 4G and Samsung’s massive Infuse 4G. Both have the foundations of good smartphones, including great operating software and the ability to run on AT&T’s high-speed “4G” network. But [...]