QR code style markers — those lil’ barcode-looking boxes you’ll see on ads from time to time, meant to be scanned with your phone to launch some website or app — have yet to really find their footing ...

You can scan a QR code using the camera on your smartphone, tablet, or computer. Scanning QR codes lets you easily access websites, restaurant menus, videos, and more ...

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.