: As the simulation becomes more physically realistic, Martha realizes that "data" cannot truly replicate the complexities, flaws, and soul of a real human being.

: The episode examines how digital footprints allow us to create "ghosts" and whether these simulations help or hinder the grieving process.

: The anthology series created by Charlie Brooker that explores the dark and often dystopian consequences of modern technology. S02E01 : Season 2, Episode 1, titled " Be Right Back ."