Even back in 2007, when Vanessa Alarcon was a college student attending an anti-war protest in Washington, D.C. she heard someone shout, "Oh my God, look at those."
"I look up and I'm like, 'What the hell is that?'" she told The Washington Post. "They looked like dragonflies or little helicopters. But I mean, those are not insects," she continued.
A lawyer there at the time confirmed they looked like dragonflies, but that they "definitely weren't insects".
And he's probably right. In 2006 Flight International reported that the CIA had been developing micro UAVs as far back as the 1970s and had a mock-up in its Langley headquarters since 2003.
While we can go on listing roachbots, swarming nano drones, and synchronized MIT robots — private trader and former software engineer Alan Lovejoy points out that the future of nano drones could become even more unsettling.