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The mute switch on your headset. If you don't understand why people can't hear you in chat you might want to check this first before typing in caps "I DO NOT HAVE MY MUTE BUTTON ON I'M NOT STUPID YOU KNOW"
Sorry I had my tart button on, Hey we can't hear you check your tart button, Hit your tart button before you sneeze ok?
by A/V chat January 31, 2009
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