It looks like a cool video. It's great people can capture awesome footage like this now with prosumer gear. Seems scary to me to have your drone over water for so long. If you have to make an emergency landing it would go in the drink.
http://www.businessinsider.com/gopro-drone-surf-video-2014-1
http://www.businessinsider.com/gopro-drone-surf-video-2014-1
