Imagine you are waiting for the train, in the queue at the cash machine, or sat on a park bench. Your smartphone is in your hand, you’re fiddling with the latest apps, and you spot a QR code* stuck to the wall. There’s no branding, no text, just a code. Do you scan it? For many, curiosity would take control and they'd carelessly scan it to see where the code will take them. Therein lies the problem. QR codes don't offer any insight into the webpage that they will open, who has posted it or - more importantly - their…