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 ...

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 ...

Anyone who has ever typed their credit card information on a mobile keypad will appreciate Card.io. The company offers a software-based credit card payment solution for smartphone developers, and they ...

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, ...