A more advanced version would look like this: Tesco would install digital walls/...

luckyisgood on Aug 7, 2011 | parent | context | favorite | on: Korea’s Tesco reinvents grocery shopping with QR-c...

A more advanced version would look like this: Tesco would install digital walls/displays all over the city (country) and control all the displays remotely. The city would earn nice money from renting the display space to Tesco.