Personal transportation by drone: (Basically, flying cars.) Just imagine, you can travel reasonable distances without needing to deal with traffic. Your drone

Personal transportation by drone: (Basically, flying cars.) Just imagine, you can travel reasonable distances without needing to deal with traffic. Your drone could pick you up on your roof, and then drop you off on a roof in a city, bypassing roads and traffic. More importantly, if most personal transport is by drone, it means we don't need to invest as much in roads, bridges, and railroads.