Look at the mega mansions. They are increasing in size. Well, most cost a lot in winter to keep warm. Also, staying cool in summer is expensive. Yet, we will see more. Rich get richer and poor get poorer. Hard to see why we need so many.
Still remember the Time Machine movie. Well, it is a bit dated now. After all, the film was released in the 60's, but it had a great message. What book would a time traveler take with the to the far future any way.