MORE TERRIFYING TECHNOLOGY

Individual drones have morphed.

"Nano quadrotors" – they "think" swarm, and do their own "murmurations" like birds and bugs:

https://www.youtube.com/watch?v=YQIMGV5vtd4

https://www.youtube.com/watch?v=ZD1H70aQc7U

https://www.youtube.com/watch?v=GIEhi_sAkU8

https://www.youtube.com/watch?v=8_-7Ri-tbHY  (another bit of scary)

This one is not so scary and VERY cool...but may of course get corrupted in the wrong hands:

https://flyboard.com/flyboardair

The Hoverboard. IT'S REAL!