General Knowledgespeaking topic
The number of people we can truly know and keep real relationships with is thought to be about 150; our brains cannot carry more than that as a 'community.' We live in cities of millions, but our hearts are still the size of a small tribe. Is this limit of 150 the reason we feel lonely in modern crowds?
— anthropology, Dunbar's number
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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