"Seemed like something you were hip-deep into, once. Old habits?" Zola waddled past and she sighed through her nose to keep her cool. She looked over her shoulder to Caleb, a mild expression to show all was fine with Zola's ribbing. She walked over to the prototype mock up and examined the designs. Radio frequencies to help self-drive, what happened when they went through a rock station channel? "And what would you suggest, Zola? Herding suspicious types into camps? Start questioning civilians on the streets to show their papers?"