1. At Disney theme parks, they are tickets issued that act as a
placeholder in the line.
The ticket is issued with a one-hour time frame (i.e. 2:30pm - 3:30pm) later in the same day, at which point
the ticket holder may return and enter a shorter line and therefore not spend as much time waiting.
2. In the opinion of many attractions cast members, watching over Fastpass distribution is the single worst part of their job.