You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

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Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone. It ...

What if you could run advanced coding workflows from your phone—no laptop, no desk, no problem? Imagine reviewing pull requests during your morning commute or resolving backend issues while waiting ...

You can move Google Authenticator to a new phone so that your new device can gain an additional level of security through two ...

When you make credit card purchases online or over the phone, you'll often need the card's security code to complete the transaction. The security code helps to protect you from credit card fraud and ...

If you have photos and videos on your Android phone that you don't want friends and family to stumble upon, you can secure them in a locked folder in the Google Photos or Samsung Gallery app. The ...