Umm it really as not been invented yet so... I can not really say yet
it hasn't been invented yet.
Not yet unless they have been invented by millionaires and not spread out to the rest of the world
No one. The hover board is not invented yet.
No, not yet honey but It will be invented some day
YES it has been invented
Bionic eyes have not been invented yet.
it has, or has it?
No.
it is not invented yet people say they will come out in 2015
Nobody knows. Yet!
We don't know yet.