QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Quick Response (QR) codes were popular before the COVID-19 pandemic ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The pandemic and our desire to minimize contact with objects and ...

iPhone (iOS 11 or later): Launch the Camera app, frame the QR code, and tap the notification. The Control Center can have a feature for even faster access to scanning. This article explains how to ...

You can add contacts to WhatsApp by manually entering them in Chats, or scanning the QR code from their WhatsApp profile. You can also import contacts from your phone to WhatsApp. When entering ...

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.

Windows 11 now allows you to display the connected Wi-Fi password with a QR code, which other devices can scan to connect to the same Wi-Fi network. With the Windows 11 24H2 update, Microsoft also ...

QR codes can be really handy. A grid of seemingly random black-and-white squares can hold enough information to store website URLs, contact information, email addresses, pre-defined SMS text messages, ...