Drones will be a big player in next 2-10 years (search for Rantizo). The more they can operate autonomously the better. The small payload size on drones aren't

Drones will be a big player in next 2-10 years (search for Rantizo). The more they can operate autonomously the better. The small payload size on drones aren't a huge problem if you can have 'refilling stations'