https://theaviationist.com/2012/04/12/robocopter/
Photo: "Check your six". You've got a quadricopter drone behind you - The Aviationist
Apr 12, 2012 - That is a nice picture. It was taken on Jan. 12, 2012, at Lauberhorn in Wengen, Switzerland, and shows a TV drone (not a quadricopter but a 8-rotor
https://matadornetwork.com/life/toys-for-grown-ups-the-a-r-drone-quadricopter/
Toys For Grown-Ups: The A.R. Drone Quadricopter
Parrot's new quadricopter introduces high-tech fun for adults.
for grown upsthe atoysdronequadricopter