Rock In Rio, which many argue holds the record for the largest music festival in the world (with an audience of 1.5 million people for its first incarnation), is sponsored by chewing gum brand Trident who introduced smile photo tagging at the 2011 event. Sharing some facets with Orange’s 201 Glastonbury photo tagging project,… Continue reading Trident Tags Crowd Smiles At Rock In Rio Festival
