Bring the QR code you want to scan in front of your computer’s camera and hold it still. Once the Camera app scans the QR code, its contents pop up on the screen.

You could point your phone at the computer screen, but that inter-device dance isn’t necessary. You can open that code right from your laptop or desktop. Scan a QR code in Google Chrome ...

What has shocked many who make their living from writing software, however, is that it’s also capable of creating computer code. Tell it to do so, and it will happily create web pages ...