Profound observation. Further technology from here onwards is only the science fiction level. Computers that can display information on back of your eye lids m

Profound observation. Further technology from here onwards is only the science fiction level. Computers that can display information on back of your eye lids maybe (with gadgets no more than an earphone while lasting several days on a charge) so that you don't even have to hold your phone. But that's really far far into future and even probably downright forbidden by the physics.