Could contactless payment doormats make drone deliveries possible?

Drone deliveries sound like a brilliant way to get parcels delivered to your home. It could reduce the number of cars on the roads, helping to reduce pollution, and enable faster delivery times. Yet, there are a few things in the way before this technology becomes a reality. For one, there are no-fly rules in central London, which prevent drones from coming within 150 meters of densely packed buildings. As well, there are concerns over the secur…