"Al Jazeera: We're at a conference where the focus seems to be on the whiz-bangery of this technology. What's being lost in all this when it comes to privacy issues?
Woodrow Hartzog: There's a fair amount of hand-wringing over drones and privacy, but I think in many instances it's often dismissed because drones fly in public and they fly in public spaces and the law, as it's traditionally been conceived, does not protect privacy when you're walking out in the middle of the street. But I don't think that's entirely true."