This fully functional 4G device is the size of a credit card, offering serious portability that actually fits in your pocket.

A few weeks ago, Network World ran a couple of articles about using smartphones as devices to transact credit and debit payments. One article said this would be “possibly dangerous.” I completely ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. This miniaturized smartphone can do ...