"It's almost time." Allen kept his hand on the button, and his eyes glued to the monitor. He was alone in the booth, the same as an unknown number of compatriots. The system had been designed so that no one could tell what booth was in control of what, or how many there were. At the five second mark, even that voice stopped. Allen knew in his heart that he was alone. He was the last one. At the four second mark, something pounded on the side of his booth. His finger hovered above the button. Three seconds, he could hear something ripping into the wall behind him.