The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly) touch ...

The use of Google Sheets can help you in executing a working QR code attendance system. As the schools and offices' means of attendance are heavily affected by the COVID-19 outbreak, the use of ...

Now that Google is using the two-dimensional bar codes as part of its local businesses listings program, it's all the more reason for an app to help read them. CNET contributor Don Reisinger is a ...

I'm exhibiting at a trade show next week, and all attendees will be wearing QR-coded badges like mine*: I can rent the official lead generation machine from the show for a few hundred dollars, or I ...

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.