Today, humans who have lost a body part due to injury or illness are willing to receive repairs, transplants, or modifications, so their counterparts in the future might have no problem with the idea of popping down to the local robot store to get an upgrade, like Andrew the robot in Asimov's The Positronic Man.
既然現代人一旦受傷或生病，導致身體缺陷，都願意接受器官修補、替換或矯正，未來人類也可能像艾西莫夫小說《正子人》中的機器人安德魯，隨時回到機器人公司（就像人類進醫院）進行功能「升級」。