It's hard to say what the most obnoxious part of air travel is . . . but having to shut down all electronics during takeoff and landing definitely gets a few votes. Mainly because it's ridiculous. Your iPad isn't going to make a modern plane malfunction.
Many times I've been amazed at the things some people have used to entertain the masses. You probably have the basic necessities around the house used in this cover of the Animals classic "House of the Rising Sun."