. More often nowadays, drones are used:
In healthcare: UAVs can transport medicines and vaccines, and retrieve medical samples, into and out of remote or otherwise inaccessible regions
Food delivery: Early prototypes of food delivery drones include the Tacocopter is a taco delivery concept utilizing a smartphone app to order drone-delivered tacos in San Francisco area.
Food delivery service Ele.me, owned by Alibaba, has been given permission by the authorities to deliver takeaways by drone along 17 routes in Shanghai's Jinshan Industrial Park.
Postal deliveries: With the rapid demise of snail mail and the explosive double digit growth of e-commerce, postal companies have been forced to seek new ways to yond their traditional letter delivery business models. Different postal companies from Australia, Switzerland, Germany, Singapore and Ukraine have undertaken various drone trials as they test the feasibility and profitability of unmanned delivery drone services
War: Drones are used in war zones to observe and sometimes to guide missiles.
Drug smuggling: Drug cartels have used UAVs to transport contraband, sometimes using GPS-guided UAVs, like Mexico, Porugal, Peru, Brazil
Prison smuggling: Between 2014 and 2015, at two prisons in South Carolina, items such as drugs and cell phones were flown into the area by UAVs with authorities and one prison not knowing how many deliveries were successful before gaining the attention of authorities. (Wikipedia and BBC)
In January 2018, Boeing unveiled a prototype of a cargo drone for up to 500 lb (227 kg) payloads, an electric flying tested debuted flight tests at Boeing Research and Technology’s Collaborative Autonomous Systems Laboratory in Missouri.
I don't think we are far from remote controlled everything: Trains, Planes, Bigger drones that will transport people. About cars there is no need to mention, because I am sure you know that, self driving cars and remote driving cars already are everywhere.
What do you think about the future? Will drones still be in our life in 10 years from now? How about in 50 years?