Of all the electrical signals generated by the human body, those coming from the heart are probably the most familiar to the average person. And because it’s also quite simple to implement the ...

New start-up Card.io wants to make it easier for people to charge their credit cards by taking a camera photo. It's no secret that typing in credit card numbers on a mobile device is not easy or ...

On-demand black car service Uber is making it easier for new users to sign up for rides, thanks to its newly-announced Card.io integration. For those unfamiliar with the mobile payments startup ...

PayPal has acquired mobile payment service Card.io, indicating that optical card scanning could be coming to PayPal Here sooner rather than later. PayPal has acquired mobile payment service Card.io, ...