Instagram is rolling out QR codes all users can generate, which open their profiles. These QR codes can be scanned from any camera app, and not just Instagram. The new feature could be especially ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...

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.