This story is about delivering a defibrillator via drone to a heart attack in progress. It is an awesome story, and in this case "awesome" is not being overused.
Everyone should read it. Drones saving lives.
BTW, this is the sort of thing that RID is necessary for in the future when low-altitude airspace deconfliction WILL be necessary. The future will have much more congested skies 100-400ft. Commercial use of that space is poised to explode in the next 10 years.