All eyes were on the water as her iPhone slid out from her pocket. She frantically grasped at the air as her fingers brushed infuriatingly on its smooth exterior – but she was just a second too late. The still-lit home screen’s light sank beneath the water’s surface, growing smaller and smaller until it was gone forever. Inge’s heart sank with it as she unthinkingly leaned dangerously close to the waves. Just then, a ghostly white shape began to emerge from the depths, and it was heading straight for her.