A key concept in Netflix's cyberpunk series Altered Carbon is the 'stack', an advanced hard drive installed on the brainstem on which a person can save a copy of their consciousness. The main effect of stack technology is a form of immortality, because a stack can be installed into another body if the original body dies. But there’s another major implication only hinted at during the first season of Altered Carbon: If you could choose your own body, would you go with the one you were born with?