The sound they make is extremely aggravating, carries long distances, ruins any sense of privacy and peacefulness for anyone ekse within the large surrounding area. This could be hundreds of people in a neighborhood.

These are amazing tools, but strong measures (restrictions, fees, mandatory insurance, confiscation, fines, statutory liabilities, imprisonment) will be needed so that the general public is not harmed or bothered by their increasing use.

I recently heard UH is trying to establish an undergraduate major in UAV technology... auwe.