> time travel Really not the same. Time travel is hardly achievable and has a crisp goal. Artificial Intelligence, on the contrary, has been producing results

> time travel Really not the same. Time travel is hardly achievable and has a crisp goal. Artificial Intelligence, on the contrary, has been producing results since the start, and there are (there have been) entire businesses based on it. > uncharitable I was being «uncharitable» in front of the depiction of "masses discovering with surprise things that would have been noted by exploitation of the information available (and never had been as available as it is today)", also because on practical terms I find this unawareness of the world socially dangerous.