After the third and final presidential debate came to an end everyone was asking the same thing, and it was to do with the first-ever muted microphones feature...

It's been one hell of an evening.

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After months of mounting tensions, Trump and his Democratic opponent, Joe Biden, finally faced each other for one last time before the highly-anticipated election.

Tonight was crucial for both Trump and Biden...

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Because, though Biden had a significant lead in the national polls, the gap between him and Trump has gradually been reducing in the battleground states.

NBC's own, Kristen Welker, moderated the debate...

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Something that many people were keen to see.

A powerful woman of color...

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Welker is also the youngest person to moderate a presidential or vice-presidential debate during this election cycle in more than twenty years.

Welker was already known for pushing officials in the Trump administration during White House briefings...

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Including asking questions about children separated from their parents by immigration officials, a topic she wasn't afraid of covering this evening.

Tonight, she was faced with one hell of a challenge...

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There were many tense moments from the debate, and the president was slammed across the evening for being "condescending" towards Welker. But, overall, many believe she could be the best moderator yet.

It's needless to say, Welker managed to keep the debate and it's candidates firmly in check...

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But this may have been helped by one thing.

Now, you may be aware that the evening played out a little differently from the other debates.

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Remember the first presidential debate, wherein Trump and Biden incessantly spoke over and interrupted one another?

It was utterly shambolic, wasn't it?

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And the second debate fared no better.

Following President Trump's coronavirus diagnosis, a virtual debate was pitched...

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But, of course, the president refused point-blank to do this. So, in a historic first, the second debate was canceled and both candidates went on to attend their own town hall events - on different channels, at the exact same time. 

And, in order for the third event to actually take place (and in an orderly manner...)

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The Commission on Presidential Debates came up with a new rule.

Tonight's ninety-minute debate was divided into fifteen-minute segments...

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And, in a first-ever move, at the start of each new topic, each candidate had 2 minutes of (mostly) uninterrupted time during which the opponent’s microphone was firmly switched off.

Both campaigns agreed to the new rule...

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But, of course, Trump, in particular, looked to be majorly struggling.

His frustrated facial expressions made for some entertaining viewing...

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As he grappled silently with his own impulsive interruption habit.

However, since the debate came to a close...

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Many have been asking the same thing about Trump's mute button.

Where was his mute button?

Even a mute button can't contain Trump's inevitable interruptions.

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It's quite an impressive skill of his, isn't it?