A diligent hacker with a video camera could theoretically record the patterns and reconstruct e-mail or credit card information, he said.

And if the customer does not give card information, the reservation is not guaranteed, and the customer must reconfirm.

Presumably, someone out there wants to provide his or her credit card information to total strangers with untraceable phone numbers.

The thief presents the card information on a website that has real-time transaction processing.

What if you could consolidate all that card information into one thin little device?

Call me crazy, but 'all your credit card information in one convenient place' just doesn't sound like a good idea.

Merchants have largely moved to using card terminals to directly capture card information instead of manually entering in card details.

Virtual payments are claimed to be secure and easy to administer, and reduce the risk of an unauthorized user compromising card information.

The Square device reads the card information through the device's microphone.

Not only can they pay without giving credit card information over the Internet, but they can also find reliable information more easily.