Continuity mistake: The piece of pizza Will is eating in Grace's office changes appearance during the scene. The topping keeps changing between shots. (00:21:40)
Continuity mistake: When Grace says to Will "What, are you ten?" Will is holding a napkin in his right hand, down by his side, but in the next shot it's in his left hand and he is wiping his lips with it. (00:22:05)
Continuity mistake: When Jack reveals to Will that he is too shy to ask out the sales assistant in the Banana Republic, Jack stands by a wooden shelf. Between shots the positions of his hands on the wooden pole keep changing, and which hand is holding it with also differs. (00:27:20)
Continuity mistake: When Jack says to himself "Me! I'm the fruit that would go with those pants!" his headset wire is in front of him arm, yet in the very next shot it is behind his arm. (00:28:15)
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen