QR codes, or quick response codes, are a type of bar code that's scannable by digital devices like smartphones through their camera lens. They typically contain information, such as a link to a ...

When scanning QR codes, ensure you are connected to a private WiFi network or a trusted mobile data provider. Public Wi-Fi ...

Do you want to pay for coffee without tapping a grimy screen? Here’s how to use your iPhone or Android phone to scan QR codes.