Depends how close to Sci Fi books we end up.

It is possible that structures could continue to rise and population density continues to increase. Perhaps those at the bottom might end up utterly disenfranchised and form a subclass away from the rest. Then there is outer space. 500 years ago mobile phones would have been inconceivable. Now being without is bieng viewed the same way.

If we are stuck on this planet there will have to be a strange world for the economy to continue. Perhaps more on restoration buildings and the ecosystem. Who knows?