This rectangular-shaped QR code is designed to be used on narrow spaces, with an aspect ratio similar to that of a traditional 1D bar code. There are quite a few variations of rMQR, but the ...

The Bletchley is a spy-themed London bar where you have to crack codes to order drinks. To do that, you use imitation World War 2 Enigma machines which generate a unique code for every "agent." ...

Weight Watchers has introduced a bar code scanner mobile application to help grocery shoppers make more informed shopping choices and reach their weight loss goals. The new app scans the bar codes ...