14
Finally, A Flying Car(t) The Palletrone is a robotic hovercart for moving stuff anywhere.
(spectrum.ieee.org)
*as long as you move unnaturally slowly, and it weights less than a gallon of milk.
No, you see, this is gonna be great for when aging therapy meets demographic collapse and we're all just a bunch of childless coffin dodgers who have to work until we're 400.