what are the most contrarian technologies that seem weird today but you think will be huge in a decade?

AR glasses
Micro nuclear reactors 
Recreational pharmaceuticals 
Handheld reverse osmosis water filters
Animal husbandry 
Potato spades
Hunter killer drones
Pump action shotguns
Mesh networks
Potassium iodide
Electric dirtbikes
Sun lamps

(Just kidding, I am super optimistic about the near future)

The Farcaster formerly known as Kchamp. Books, beats, bodybuilding, bright ideas and beautiful things.

katherinechampagne.com

E-bikes with teenagers on them if they can take a break from popping wheelies.

The revolution will be fought and won on e-bikes 👊