London — Who would have imagined for a moment that the most powerful, most influential, most maddening bit of technology to have inveigled its way into our lives in 2020 would be a tiny little icon depicting a microphone that sits on the edge of our screens?

But if you wanted to summarise the experience brought about by the exigencies of the work-from-home environment, you could reduce it all to these three words: “You’re on mute!”..

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