Engagement is essential, but people are key.

What makes things popular? If you said advertising, think again. People don’t listen to advertisements, they listen to their peers. But why do people talk about certain products and ideas more than others? Why are some stories and rumors more infectious? And what makes online content go viral? We were so fascinated with Jonah Berger’s book, Contagious — and we know you will be, too! Want a copy? We’ll send it your way.*

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