Amazon patents ‘surveillance as a service’ tech for its delivery drones
theverge.com
theverge.com
ex: https://www.youtube.com/watch?v=vF2tnFC_q8A
Or if you want to get really serious about it, try Skywall: https://openworksengineering.com/skywall-100/
There's also an increase in "anti-drone" drones. Drones armed with nets designed to take down intruding drones.
Do the licenses limit them to specific use? I couldn't find the actual license off hand (probably searching in the wrong place)