What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

Use Code Scanner on iPhone to scan QR codes and seamlessly navigate to the destination link. Use the Camera app to scan codes in record time since the camera is just a swipe away, with QR code URLs ...

Want to scan something but don't have a scanner handy? A recently updated Mac app called Prizmo can help you make scans using your digital camera. Josh Lowensohn Former Senior Writer Josh Lowensohn ...