The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly) touch ...

QR codes was the new marketing tool on the block years ago, but as folks discovered, not everyone had a QR code scanner on their phone to use them. Nor was it easy to get a QR code scanner to use them ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...

Venmo today rolled out a feature designed to make it easier to find friends within its mobile payments app, so you can add them to your connections list or get paid yourself. The feature, found under ...

The US Federal Trade Commission has become the latest organization to warn against the growing use of QR codes in scams that attempt to take control of smartphones, make fraudulent charges, or obtain ...

2FA, or two-factor authentication, is a type of MFA (multi-factor authentication) that uses two factors to verify your identity at the time of login. While one of these factors is almost always the ...