Purists argue that implementing instant replay and removing human error and judgment would take away an element that is as much a part of the game as anything else.

FORBES: Instant Replay Could Have Saved Jerry Meals And The Pirates

"It starts ringing and it becomes an instant reminder that this person is human, that they have friends and family who care, " he said.

CNN: STORY HIGHLIGHTS

Zombies occupy what roboticists and animators call "the uncanny valley" in human perception though decidedly not human, they are so close to being human that they prompt instant revulsion.

WSJ: Why Zombies Are Everywhere