Regarding... "i dont really see any practical applications for these machines that arent already covered by drones."
-- They can carry people! --
DRONES: An unmanned aerial vehicle (UAV), commonly known as a drone and also referred to as an unpiloted aerial vehicle and a remotely piloted aircraft (RPA) by the International Civil Aviation Organization (ICAO), is an aircraft without a human pilot aboard.
MJP Price at posting:
$1.24 Sentiment: Buy Disclosure: Held