In the movie Zombieland (2009), the search for Twinkies snack cakes was integral to its plot and character development. While in the middle of the zombie apocalypse, the character Tallahassee, played by the actor Woody Harrelson, searches for Twinkies. Assuming Twinkies' parent company Hostess did not author the snack cakes product placement, what type of author of brand culture is represented by the movie