A: Pizza delivery by driverless motorbike, sounds great! B: But then it gets stolen. A: They can just as easy put a GPS-tracker in there. B: Put it in a steel cage that blocks all electromagnetic signals. Sell the parts and scrap the rest. A: Your glass is mostly half-empty, isn’t it? B: Probably. But I would like a calzone though. A: I’ll order two then. Including security.