[youtube https://www.youtube.com/watch?v=WEerwSY_0TM?feature=oembed&enablejsapi=1&origin=https://safe.txmblr.com&wmode=opaque&w=250&h=141] Fooling the DJI Phantom 3 Visual Positioning System (VPS) by dragging something underneath it. Fun! 😉 (Source: https://www.youtube.com/)