Watches, robots suitcases: mobile gadget highlights

Tech companies showcased countless connected gadgets at the world's biggest wireless telecom fair, the Mobile World Congress in Barcelona, which wrapped up on Thursday. Here is a selection of highlights:

Smartphones change teenagers' digital media use patterns

Teenagers who own smartphones spend more time online - also during the night, which may affect their sleep. A new University of Basel study on more than 300 students reports that teenagers' digital media use during the night ...

Google wireless service could disrupt carriers

Internet users from San Jose to Kansas City have been clamoring for Google to lay down its long-awaited fiber-optic network to compete with Comcast and AT&T in speeding up Web and television access. Now the Silicon Valley ...

Some tips on shopping for smartphone service

The cellphone industry's traditional way of doing business - locking customers into pricey two-year contracts - has been upended thanks to upstart major carriers T-Mobile and Sprint and a bunch of smaller providers that are ...

With Z3, Sony brings phones to US faster

A new version of Sony's Xperia Z3 smartphone will soon be available through Verizon, the nation's largest wireless carrier. It joins a model coming to T-Mobile. The phones are hitting U.S. stores on the heels of their unveiling ...

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