Downtown Dortmund is boasting the largest QR Code so far in Germany. Advertising residential apartments the 4 x 4 Meter code resolves to the agent’s mobile website and details of the properties. (From ManuelBieh.de)

Downtown Dortmund is boasting the largest QR Code so far in Germany. Advertising residential apartments the 4 x 4 Meter code resolves to the agent’s mobile website and details of the properties. (From ManuelBieh.de)