QR codes are everywhere, tantalizing us with hidden information. Of course, a few of them are portals to malware or other uncool business, so it's not a good idea to just scan them all and hope for ...

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 ...

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 ...