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.

Amazon will start rolling out its own version of QR codes, TechCrunch reports. Called SmileCodes, they function just like a typical QR code -- scan it with your phone and see where it leads -- but ...

Amazon has started placing QR code boxes that include its trademark smile logo into magazine advertisements, enabling Amazon mobile app users to scan the "SmileCode" to open Amazon product pages or ...