Drones are no longer just the preserve of the military, geeky hobbyists, and aerial photographers: unmanned aerial vehicles (UAVs) have landed in the mainstream. This technology has the potential to make our lives easier – and even save them should disaster strike. From making deliveries to teaching children in schools, read on as we take a look at the awesome non-military applications of drones and explore the hurdles they'll need to overcome to take over the world.