An augmented reality building with a live Twitter Feed in Japan.
Detroit Red Wings Make Game Programs Interactive With QR Codes
Esquire’s Augmented Reality Issue: A Tour
A graffiti was photographed before it got removed by the building owner, then a QR-Code was pasted over the same spot, the QR-Code contains a link to an url which leads to the photo of the disappeared graffiti. in that way a mobile phone with a QR-Code Reader can be used to travel back in time.
Ad-Dispatch and Augmented Reality at CMDC