Upwardly Mobile: Where are all the QRs?

Ever heard of QR codes? No? Neither have many other people in the UK, apparently. Jo Best explains all about the many uses of this quirky mobile tech from - where else - Japan.

In the last Upwardly Mobile column, I called for smarter use of cameraphones - more business applications, less taking drunk pictures of your mates.

As usual it seems the cradle of mobile civilisation, Japan, has found and deployed a system to take advantage of cameraphones which is being embraced by retailers and consumers alike. It's called 'QR codes'.