Eric, start with the open source "Arduinopilot" for a eye opening. Traditional model airplane fans are up in arms over what the DIY DRONE guys are doing.
Especially the folks who build monster ships with cameras and sell video services. I'm not a fan of a 10-20 pound gas camera copter flying over the public.
Many people are not happy, and rule making is in progress. Enforcement does happen.
Steve
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...