"Law enforcement may already be gritting its teeth over the idea of legal drone delivery though. Being able to send things by drone could be hugely disruptive to the existing mail system: a peer-to-peer postal service that cuts out the USPS and FedEx. That’s fine when Amazon is shipping out books, but what about the kind of deliveries that law enforcement wants to be able to track? The existing postal system is full of surveillance."
Good, drones away!