Seven of Nine's silver bodysuit was replaced by a more understated brown one. Besides the color change, this bodysuit also differed from the previous one with a much lower neckline. In addition, the brown suit was less constrictive for Jeri Ryan than her previous silver costume.
This episode was directed by LeVar Burton, who played Geordi La Forge in Star Trek: The Next Generation (1987).
It is established that the Borg designation for Vulcans is Species 3259.
It is stated that the Borg designation for Talaxians is Species 218.