I got my iPhone 3g about 2 weeks ago, and latley I found out when you play music thu the speakers in the bottom, and cover the left bottom speaker it goes very quiet and no sound comes form the right bottom speaker. Can someone else try this and see if it is by design, or do they get sound out of both speakers. Maybe the other speaker is just for the phone speaker phone? Please someone just play a song on their iPod and cover each botton speaker individually and tell me what happens-