Well, it looks like hobbyists that fly are safe for the time being with new FAA regs:
https://www.wired.com/2016/06/faa-drones-rules-regulations-commercial-use/
http://lifehacker.com/faa-finalizes-rules-for-hobbyist-and-commercial-drone-f-1782414258
The FAA drone registration site is online now. Here is more information:
http://techcrunch.com/2015/12/21/the-faas-drone-registration-site-is-now-up-and-running/?ncid=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29
Here's a possible answer to the nuisance drone problem from Japan: http://arstechnica.com/tech-policy/2015/12/tokyos-drone-squad-will-deploy-10ft-drones-armed-with-nets-to-police-the-sky/
Well, here's more news on registration:
http://news.yahoo.com/faa-task-force-submit-drone-recommendations-saturday-174815643.html
If it's over 250g in mass, you'll probably have to register it on a website.
Just remember that there are federal charges for shooting at aircraft, Rob. The guy who shot down the "drone" that was allegedly photographing his daughter not only had to pay for the bird but could still face some jail time.
A drone is an autonomous or semi-autonomous aircraft.
There is also discussion on whether "toy" grade multi-rotors will have to be registered or not. I'm hoping that they won't since all of mine fall into that size-category.