it is life-changing.posted by nev at 9:27 AM on January 3, 2014 [4 favorites] There was a great commercial a few years back where a maintenance guy walks into a full conference room and announces: I have come to fix the mute button. (I have no idea what the commercial was for.)posted by monotreme at 9:31 AM on January 3, 2014 Ready check, on the tanks.