The Federal Aviation Administration continued its drone crackdown Friday, adding 29 cities across New York to the region’s temporary ban of unapproved drones for security concerns, as officials investigate reported drone sightings in the region amid public curiosity about the sightings.

Between conflicting government briefings and a ceaseless rumor mill on social media, it's easier to identify what is still unknown about the drones.

The recent mystery drone sightings may not pose a security threat, but aerospace experts say it has started a conversation about these things.