Talking about airports, I remember being irritated beyond belief by a recorded announcement whilst waiting in the queue for security at Stansted. It was a woman's voice, not very BBC English for a start (rather Estuary), and she was saying something like "In order to get through security quicker, please remove your coat and shoes..." She repeated this every five minutes or so as I was queuing (for probably half an hour) and it made me want to scream "MORE QUICKLY!"