"Every red carpet photograph has an economic ecosystem behind it. Guneet Monga's reel is the first time most audiences have been invited to see it." WHAT ACTUALLY HAPPENED When most people picture the Cannes Film Festival, the mental image is immediate and predictable: couture gowns ascending sun-drenched steps, flashbulbs detonating in synchronized bursts, standing ovations inside gilded theatres, and the kind of concentrated celebrity spectacle that generates weeks of socia