This past June, Earth Hour Global organized an "Instagram photo walk" around the Sydney Eveleigh Organic Markets to encourage local iPhone photographers "to re-imagine the modern sustainable city and share these visualisations with the global community".After promoting the walk through Facebook and Twitter (and with the help of an established and popular Instagramer), participants knew to tag their photos #sydearthhourpw and to upload them on Instagram. The walk was scheduled to coincide with th [...]

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