 Why does everyone in the future have hyphenated names?
And at that moment, the universe caved inward upon Joseph Marie Prantera. There was a falling through all space and through all time. The other spoke precisely and slowly, the way a highly educated man speaks a language which he reads and writes fluently but has little occasion to practice vocally. Two were seated there now, papers, books and soiled coffee cups before them. The maternal linage was almost universally ignored." "What is the date, Old Calendar?" "2133," Reston-Farrell said. Briefly, we have transported you, I suppose one might say, from your own era to ours." Reston-Farrell said, "Suffice to say, you are now one hundred and seventy-three years after the last memory you have."
 In the future, they honor the maternal lineage.
 Everyone in the future is pretentious.  In the future, they honor the maternal lineage.  In the future, they have such a large population it was necessary to differentiate between citizens.  Everyone in the future uses the name of both spouses.