QR codes–square, dot-matrix variants of the venerable UPC–are becoming an increasingly popular way to share information such as URLs, contact details, GPS coordinates, and calendar events. The idea is ...

A Quick Response, or QR, code is a square barcode designed to hold much more information that a standard barcode. Since most mobile phones now come equipped with cameras, which is all a QR code ...

WhatsApp has announced it is rolling out a number of new features across its app, web, and desktop variants, including a QR code scanning option for contacts and a new Dark mode theme that extends to ...

Engineer Matt Hodges posted a Twitter thread about an issue he found on macOS. According to him, not only does the Mac operating system actively scan images in the background, but when these images ...