Trivia: Creed says he transfers his debt to "William Charles Schneider" when he gets in trouble. Actor Creed Bratton was born William Charles Schneider. Schneider changed his name to Creed Bratton shortly after starting his music career, in the 60's, long before playing Creed Bratton in "The Office."
Trivia: There is a "Certificate for Participation" awarded to Marc Christie, which is framed and hung on the wall in the office. Christie was a best boy grip and key grip for the first two seasons of the show. The certificate still remained on the wall after he left (for example it can be seen in s04e03).
Trivia: The newsletter about the 80's party says "hopefully you will find a lot of useless information contained herein that will help you do your job better, faster, and quicker and cheaper and happier." It then goes on to say "as anyone can easily tell, this newsletter doesn't really have a lot to say. It's really just a prop to fill some space and sorta look like a newsletter without really being much of a newsletter at all."
Trivia: When Angela and Pam are getting coffee, Angela tells Pam how Dwight got the tax forms to corporate for her, but said it happened to her "friend", Noelle. In the story it was "Kurt" who saved the day. Since Dwight's middle name is Kurt, this reveals that Angela's middle name is Noelle.
Trivia: When Michael is in Mr. Figaro's office, there's a flyer for Terry's Diner. This is a real diner located near Scranton (Moosic, PA) and the flyer has the diner's actual phone number (minus the 570 area code). It could also be a clue that Michael's 2nd job isn't in Scranton.