There have been some reported cases of people putting cameras on drones and filming things they are not supposed to like people changing or doing private things like government facility research hidden from the public or doing unsafe things with them. Drones have also been used as a terrorism tool or terrorism destroying tool. They can help with natural disasters, Police can watch over the skies and look down below for crime. the military and government can protect people by watching the skies as well. There are drones that douse wildfires repeatedly until told to stop. They are delivering things from packages to pizza and helping build or farm. The world of drones is very diverse and helpful, but can be hurtful and dangerous as well.