BTS has done it again. Just when fans thought they had seen every possible comeback strategy—from cryptic concept films to hidden QR codes—the group launched one of the most creative promotions of their career for "NORMAL," the latest single from ARIRANG. Instead of relying on traditional teasers, BTS turned newspapers, social media, and even a simple word into a giant puzzle that had ARMY working around the clock. We take a look at 7 clues that had K-pop fans talking!