Contagious by Jonah Berger: 6 Powerful Tactics to Spark Your Brand’s Message

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POST DATE

March 13, 2025

AUTHOR NAME

IZDAHER

Here we go again with another amazing book to explore and break down for you! This time, it’s “Contagious: How to Build Word of Mouth in the Digital World” by Jonah Berger. 

It’s packed with practical tips and proven strategies on how to create buzz, spark conversations, an   d make your brand message go viral. 

Let’s dive in and sum up the six game-changing principles that make ideas spread and create a brand boom!

Social Currency 

People love to share things that make them look good, knowledgeable, or “in the know.” Social currency is all about creating a sense of exclusivity or making your audience feel special. 

Jonah Berger suggests giving your audience something to brag about—whether it’s access to insider information, a unique product, or a quirky story that makes them stand out.

By making your brand part of their identity or self-expression, you encourage them to talk about it.

Examples: 

Blendtec’s “Will It Blend?” Campaign

  • Showcased the blender’s ability to blend unusual items (like iPhones), making it remarkable and fun to share.

Coca-Cola’s “Share a Coke” campaign in Egypt

  •  featured bottles labeled with popular Egyptian names written in Arabic. This personalized approach resonated culturally, encouraging people to buy bottles with their own names or those of loved ones.

It sparked a wave of social sharing, as customers proudly posted pictures of their personalized bottles on social media, turning the product into a conversation starter and a symbol of connection

Triggers

What reminds people of your brand or idea? Triggers are cues that keep your product or message top of mind. 

Berger highlights that the more frequently people are exposed to a trigger, the more likely they are to talk about your brand. 

The key is associating your message with common, everyday moments or situations.

Example:

Rebecca Black’s “Friday” music video is a perfect example of a trigger in action. The song became widely associated with Fridays due to its repetitive and memorable chorus. 

Every Friday, people were naturally reminded of the song, prompting them to share it, talk about it, or even jokingly reference it.

This frequent association with a specific day of the week kept the song top of mind, demonstrating how effective triggers can consistently drive engagement and conversation.

Emotion

Feelings are powerful motivators for sharing. Content that evokes strong emotions—whether awe, joy, anger, or amusement—has a higher likelihood of going viral.

High-arousal emotions drive people to act, while low-arousal emotions like sadness often do not.

Example: 

The “Thank You Mom” campaign by P&G during the Olympics created an emotional connection by celebrating mothers and their sacrifices, leading to widespread sharing.

Practical Value

People love sharing content that they find useful or helpful. This could be anything from a life hack to a money-saving tip. 

The more valuable your content is, the more likely people are to pass it on to others who might benefit from it.Example:

Buzzfeed’s “10 Life Hacks That Will Change Your Morning Routine” articles go viral because they offer practical value that’s easy to share.

Stories

A great story acts as a vessel for your brand’s message. When people tell a story, they don’t just share the narrative—they also carry the embedded message.

Berger emphasizes wrapping your brand in a compelling narrative that’s easy to remember and retell.

Example:

Blendtec’s “Will It Blend?” campaign used entertaining videos to demonstrate their product’s power while delivering a memorable brand story.

Public: The principle of Public emphasizes that people tend to follow what they see others doing.

When a product, behavior, or idea is visible to others, it becomes easier to imitate. This visibility creates social proof, as people assume that if others are engaging with it, it must be valuable or worthwhile.

Example:

products with noticeable designs or logos, like Apple’s white earbuds, act as advertisements in public spaces. This encourages others to adopt the same product or behavior. The easier it is to observe something, the more likely it is to spread.

Conclusion

And that’s where we wrap up our journey through “Contagious” by Jonah Berger, uncovering the six powerful principles that make ideas and brands go viral. We hope these insights inspire you to craft campaigns that truly resonate and spread. 

Stay tuned for next month’s book summary with IZDAHER, where we’ll dive into another exciting title to fuel your creativity and knowledge!

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