The host made a throwaway remark about the president that was later repeated in all the new sound-bytes.
Water was provided in throwaway plastic bottles, but the ecologically minded of us refilled our initial bottles from the fountain.
I was intrigued by the exchange in one of the opening scenes where the Warden says to Snake: You flew the wing-five over Leningrad, didn't you? It turns out to be just a throwaway line, but for a moment it worked like the best SF, where a casual reference can imply a lot. http://project.cyberpunk.ru/idb/gibson_interview.html.