The federal government has employed military-quality border patrol drones like this a person to observe protests in US towns. _ Jonathan Cutrer/Flickr, CC BY-SADrones of all sizes are getting used by environmental advocates to watch deforestation, by conservationists to trace poachers, and by journalists and activists to document big protests. http://tysoniqyho.thelateblog.com/9630250/best-deals-on-iphone-13-an-overview