(名詞) 個人安全防護空拍機 － 戴 / 帶在身上，可對攻擊或威脅做出反應的武器化空拍機，簡稱 PPD。
—Douglass Lee Thompson, “DJI Phantom 3 Advanced/ Protect your home with hidden property surveillance systems & Personal Protection Drones,” douglasleethompson, September 19, 2015
While a personal protection drone swarm would be even more amazing, SexyCyborg already revealed that there’s no good or cheap way to have such portable drones fly automatically. But we can always dream.
—Alec, “Redditor SexyCyborg is back with a 3D printed Nano Drone wrist mount,” 3Ders.org, June 7, 2016