qrd.by (GeoTagger for QR Codes)
addressis a human readable address string. The parameter
lng(Longitude) are used for further machine processing, e.g. to show the location on a map. The
noteparameter is used to add a detailed description about the location (e.g. 2nd floor, left door). You may add an image with the parameter
image, that contains the path to the image."
The http://qrd.by/hotspots provides a google map of geotagged QR codes that have been recently created and colours represent the number of times