iPhone users can scan documents and QR codes on their device using the built-in Notes and Camera apps. To scan a document in the iPhone's Notes app, open a new or existing note, then tap the "+" icon ...

While QR codes haven’t been the marketing juggernaut that companies have hoped, it’s still an extremely useful technology for sharing things online quickly. Asking a teenager to download a QR code ...

The very mention of QR codes will probably incite groans even in the least cynical of technophiles. What once was a tangible, exciting example of two-worlds colliding, bringing the physical world into ...