Jonah Berger opens by challenging the assumption that content goes viral through unpredictable luck, arguing instead that specific, identifiable factors reliably increase the likelihood of ideas and products spreading.

Why this reframe matters:

• Treating virality as pure luck discourages any deliberate strategy for encouraging word-of-mouth spread
• Berger's research identifies six specific factors (the STEPPS framework) that measurably increase sharing likelihood
• Understanding these factors allows deliberate application to products, content, and ideas rather than hoping for random luck

This opening establishes the book's central promise: virality follows identifiable principles that can be deliberately applied, not just accidental fortune.