What will be interesting is you’ll maybe have to register your tiny 100g indoor quadcopter, but Part 103 ultralights carrying a live human will still not need registration!
Perhaps it is assumed people will be less reckless with these – as history has shown?
Maybe they will do background checks before they sell these things. But of course Drone Shows will be exempt from such checks. Just like guns are exempt in the USA.
New technology on its way
http://www.avweb.com/avwebflash/news/Radio-Gun-Disables-Drones-225013-1.html
The Battelle Memorial Institute has come up with a gun-like radio transmitter that disrupts remote control and GPS signals and makes the drone land
That will work only if the drone is configured to land upon loss of radio or GPS signal. All the others will just get lost or crash 
a gun-like radio transmitter that disrupts remote control and GPS signals and makes the drone land
I wonder if it will be able to disrupt SBAS/GBAS, too.
