I don't know the extent of their tests but it's interesting to see this in the news yesterday http://www.telegraph.co.uk/technology/2016/06/08/flying-robot-tax

I don't know the extent of their tests but it's interesting to see this in the news yesterday http://www.telegraph.co.uk/technology/2016/06/08/flying-robot-taxi-to-start-trials-in-las-vegas/ http://www.telegraph.co.uk/technology/2016/06/08/flying-robo...