WhatsApp now enables you to add a new contact using just a QR code. This avoids you having to manually enter a person's phone number into your contact list before you can send them a message. Learn ...

Learn how to install the new Aadhaar app, set up your profile, enable biometrics, add family accounts, and use key security ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

QR codes are used for everything from opening a restaurant menu to making payments: just point your camera at the QR code, and your phone will automatically open the relevant page. But what happens ...

To scan QR code on Android, open the Camera app and position the QR code within the frame. If that doesn't work, you can use the Google Lens feature in the Google Search app. Once you've scanned a QR ...

While a life jacket is crucial to staying safe on Lake Pueblo waters, it helps to also bring a good camera phone. Nine QR code signs have been installed at Lake Pueblo State Park through a ...