The thing about groupthink or social media bubbles is that they aggressively feed and amplify repetition. And repetition, however familiar and comforting, will never challenge us mentally, emotionally or behaviourally. Echoes simply reiterate what has already been said at some point in time, long gone. Like dead stars, they might seem to have a presence from a distance, but in truth, they are completely devoid of life and light. Echo chambers, therefore, severely limit the breadth and depth of the views we subject ourselves to, they ration knowledge. And, at the same time, they limit wisdom:
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