Sciencespeaking topic
The rich get richer more easily, those with many followers gain more followers, the most-linked website gets more links. The system seems built to reward whoever is already ahead. Is this tendency to give more to the rich a trick of nature, or unavoidable mathematics?
— preferential attachment / scale-free networks
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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