Gigantic drones may be the key to low-cost air shipping

Wonder why some companies still ship products on boats instead of speedy aircraft? It's because air freight is much more expensive -- the costs of the crew and fuel quickly add up. Natilus, however, thinks drones might offer a solution. The startup is prepping enormous, 200ft-long drones (roughly the size of a Boeing 777) that would haul up to 200,000lbs of cargo over the ocean. (www.engadget.com) More...