The original soda stream.
Coca Cola came concentrated and you added soda water.
@TheMightyImp, back when jerking your soda in public was the norm
@Guy Fawkes, Also there was a dude in town named "Soda"
Elon Musk: “And it shall again.”
Cocaine and Kola extract (the Kola nut is extremely high in caffeine)
And the problem is…