
You can use QR codes to register elements on the community map such as pictures, videos, audio, satellite images and other digital content.
www.soundcloud.com for AUDIO
www.youtube.com for VIDEOS
www.flickr.com for IMAGES
maps.google.com, storymap.knightlab.com or storymaps.arcgis.com for MAPS
www.qrcode.es/en/qr-code-generator/
http://qrdroid.com/generate/QR Droid Code Scanner (Android)
QR Reader (iOS)
