Across the festival, Jace—an ex-developer turned racer—snorted at the conspiracy theories. Updates were routine. Yet when his vintage RS coupe began to sing in frequencies he’d never heard, he paused. The sound wasn’t purely mechanical; it felt like a map unfolding. He hooked his tablet into the ECU and watched as hidden waypoints materialized on the Horizon map—ghost routes weaving between known roads and long-forgotten service tracks.