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Why do ideas and protests spread like a fad, not like a flu?
One contact can give you a cold. A behaviour often needs several, which is why a committed 25% in an experiment could tip a whole group.
Tap to go on, or swipe →
One contact can give you a cold. A behaviour often needs several, which is why a committed 25% in an experiment could tip a whole group.
Tap to go on, or swipe →