Here’s one more app you can delete from your iPhone: that QR code and barcode scanner you only occasionally use. With an update rolling out today, Google’s Chrome mobile browser can do the job instead ...

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 ...

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 ...