Sciencespeaking topic
A single phone in the world is useless; the moment a second phone appears its value explodes. So a thing's value lies not in itself but in how many others also have it. If value sits not inside the object but in the space between us, what do we actually own?
— Metcalfe's law / network effects
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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