The UK's Royal Mail has unveiled plans to introduce 50 new postal routes flown by up to 200 drones. Currently restricted to remote communities, Royal Mail hopes to expand its drone fleet to 500 units once it receives Civil Aviation Authority approval.
https://www.notebookcheck.net/Royal-Mail-announces-50-new-postal-routes-powered-by-up-to-200-drones.619523.0.html