http://www.dailymail.co.uk/news/article-2281403/U-S-Air-Force-developing-terrifying-swarms-tiny-unmanned-drones-hover-crawl-kill-targets.html
"The Air Vehicles Directorate, a research arm of the Air Force, has released a computer-animated video outlining the the future capabilities of Micro Air Vehicles (MAVs). The project promises to revolutionize war by down-sizing the combatants. "
It will also revolutionise domestic policing. Welcome microNarks.
Another bazillion dollars spent hunting down potheads.