Have you ever heard of a QR code -- also known as a data matrix or 2D code? Maybe you've spotted one around Montreal?
It's a kind of barcode that gives you access to information in the blink of an electronic eye. You can scan them with your smartphone.
We'll have more on today's show. This QR Code will link you to our facebook page.
Sue spoke with Carmi Levy.He's a tech analyst and journalist.