What we should all be concerned about aren't the exports. It's the "imports" -- drones invading our airspace, built by no-name manufacturers and launched by anonymous people, for who knows what purposes.<p>Even without nefarious goals, a drone can simply malfunction and drop on someone's head, which is already dangerous. But if 1 out of 1000 drones is programmed to do something malicious, how would our legal systems address it? Do we even have a system that could prevent something like that? We've never had to deal with autonomous robots roaming among people before.<p>What I'm most afraid of is the arms race of drones. It will happen before the AI arms race that Hawking and Musk warn about: <a href="http://techcrunch.com/2015/07/27/artificially-assured-destruction/" rel="nofollow">http://techcrunch.com/2015/07/27/artificially-assured-destru...</a>