Berger identifies six STEPPS that make content and products more likely to be shared: Social currency, Triggers, Emotion, Public, Practical value, and Stories. Grounded in academic research rather than anecdote, it explains the mechanics behind word-of-mouth rather than just celebrating examples of it.
Key lessons
- Social currency: people share things that make them look good to others, so build something worth sharing for that reason.
- Triggers: build in environmental cues that remind people of your product at relevant moments.
- High-arousal emotions (awe, excitement, anger) drive sharing far more than low-arousal ones like contentment.
- Practical, useful value gets shared because sharing it genuinely helps the person receiving it, not just the sharer.
Word-of-mouth isn't random luck — it follows identifiable, research-backed patterns (STEPPS) that can be deliberately built into a product or campaign.
What’s aged well
The underlying psychological research holds up well and doesn't depend on any specific platform or trend.
What feels outdated
A few case studies reference platforms that have since faded, but the STEPPS framework itself is unaffected.
The Business Stuff verdict
One of the more rigorous, research-grounded marketing books on this list — genuinely explains the mechanics, not just the outcomes.
Three things to actually do after reading it
- Identify what social currency a customer gets from sharing your product, and make it more explicit.
- Build one environmental trigger that reminds customers of your product at a genuinely relevant moment.
- Review your last campaign for emotional intensity — low-arousal contentment rarely drives sharing.
If you liked this, read next
Five similar books
- Made to Stick (Chip & Dan Heath)
- Influence (Robert Cialdini)
- Purple Cow (Seth Godin)
- Predictably Irrational (Dan Ariely)
- This Is Marketing (Seth Godin)

