IPhone sucks subscribers away from T-Mobile USA

(AP) -- Customers have been leaving T-Mobile USA, the country's No. 4 cellphone company, for the last two years. Now that all three of the bigger carriers have the iPhone, that stream has turned into a flood.

Cellphone use linked to selfish behavior in new study

Though cellphones are usually considered devices that connect people, they may make users less socially minded, finds a recent study from the University of Maryland's Robert H. Smith School of Business.

GPS shoe lets families keep track of elderly relatives

A Teaneck, N.J., shoe maker has joined with a California technology company to create a shoe that uses GPS technology that records where a wearer walks - and can send alerts to caregivers if someone suffering from Alzheimer's ...

O2 accidentally exposes customers' phone numbers

An untold number of U.K. residents may have unwittingly broadcast their numbers to sites across the Web while browsing the Internet with their cellphones during the past two weeks.

High-tech devices leave users vulnerable to spies

"You could now listen in 100 percent completely undetected" - that's the promise one company makes on its website to anyone who wants to eavesdrop on someone else's cellphone.

Location-based 'geo-fencing' apps raise privacy concerns

Someone who is in a mall or near a favorite restaurant might get a message on their cellphone about a sale at a store or specials on the menu. Or they could be alerted that their child has left the school grounds.

MetroPCS to sell phones with TV tuners

(AP) -- Cellphone company MetroPCS says it will sell phones with TV tuners this year, which means customers will be able to tune in to broadcasts from local TV stations.

Verizon reverses on $2 fee for one-time payments

(AP) -- After a customer backlash, Verizon Wireless on Friday dropped a plan to start charging $2 for every payment subscribers make over the phone or online with their credit or debit cards.

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