Expect significant changes in the next decade and by 2035 the aviation world will have changed more than it did with the introduction of jet engines.
Be careful about future predictions of the advance of technology. I bet on the day of the Concordes first flight had I told you that less than 20 would be built and in 30 years time we'd be in subsonic aircraft crossing the Atlantic at the same speed as a 707 with no plans to go any faster I would have been laughed out of the room.