Not a drone as I see them but found this this interesting anyway.
autelpilots.com
Zipline has made over 156,000 drone deliveries
This San Francisco company got its start by working with the government of Rwanda to deliver blood products to remote areas back in 2016. Today they serve about 2500 hospitals in several countries including the USA. Sounds like a success story to me. If you have time and interest, here's a...
autelpilots.com
