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 ...

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 ...

QR codes are ubiquitous and incredibly useful for quickly sharing small amounts of information. Although QR (short for Quick Response) codes were originally invented at a Toyota subsidiary company in ...

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 ...

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 ...

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 ...

I hate to squash the hopes of QR code haters, but it appears to bet one piece of pandemic tech that's here to stay. QR code sharing is now an option for all users on the app. All you have to do is ...

A QR code on a flyer caught the attention of viewers recently, with many wondering if the code was real or fake. The flyer ...

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.