Everybody hates spoilers. Netflix turned that truth into a marketing weapon. For the Thailand launch of Dalah: Death and the Flowers, Netflix installed billboards blanketed with fresh flowers. On day one, they looked like elegant floral walls. But as the days passed and the blooms began to wither, a hidden image slowly took shape: the killer’s face. It was a living countdown. The longer you waited, the clearer the spoiler became. The message was clear: binge the show now, or