I predict a big accident soon, possibly with a death, that will rock the RC industry.
People here now fly RC jets - yes JETS with real jet engines, and they lose control of them and crash a lot. Imagine getting hit in the face with a 2 pound missile going 80mph.
Then there are the helicopters with cameras attached -- they fly them near crowds at times. They weigh around 20 lbs with 2 of that being the main rotor. If ANY part fails, it all crashes. This is like throwing a running chainsaw into a crowd.
Then there are the small quadcopters (4 engines and props), 2 - 7 pounds, computer controlled, but go wildly OUT of control if anything at all goes wrong, especially with an engine or prop. The computer goes full throttle on the other 3 engines trying to correct, and they flip wildly at full power into whatever is below.