Exciting matches, animated discussions, deafening goal celebrations. The World Cup is more than just a test for Ballack, Ronaldinho and other scoring predators. It is a test for the fans, as well. If you join the throngs of spectators flocking to the games in Germany, you must bring along all your fan paraphernalia. But equally importantly, you must take care of your hearing. Use earplugs for your own good.