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.

Everywhere you look at the South by Southwest conference this week, you see QR codes. The square “quick response” codes turn URLs, vCards, or any kind of text into a jumble of pixels that you can scan ...

You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap the ...

Nowadays, you can find QR (quick-response) codes on everything. These odd-looking, black-and-white, pixelated designs were originally used by the automotive industry, but today they are most often ...

Sharat Potharaju is cofounder and CEO of Uniqode, whose vision is to enable digital connection with every physical object and place. QR codes drive 37% click-through rates, while email campaigns ...

Twitter today introduced Snapchat-style QR codes, which are designed to make it easier to find and follow friends on the social network. Each Twitter QR code is unique to an individual Twitter user, ...