Fun fact: The mute button was invented in 1956 by Robert Adler, an Austrian-born engineer working for the Zenith Radio Corporation in Chicago. It was one of the four buttons on his Space Command 400, the first commercially viable TV remote control. Along with the other three buttons – on/off, channel up and channel down – it allowed the viewers to be in control of their new device. Initially developed to silence the TV during long, annoying commercials, the "mute" function has made become a most important function in any other "sound-related" applications. Thanks to Robert Adler we might even stay muted, when we have something important to say. So now you know.
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