In "Contagious: How to Build Word of Mouth," Jonah Berger unravels the secrets behind why certain ideas and products go viral. He reveals six key principles that drive people to share, from social currency to emotional triggers, demonstrating how these concepts can transform ordinary offerings into cultural phenomena. Through captivating anecdotes and cutting-edge research, Berger illustrates how harnessing the power of word of mouth can shape markets and influence behavior. Could your next big idea become an unstoppable trend? Dive in and discover how to make your message contagious!
By Jonah Berger
Published: 2013
"People don’t just share information; they share emotions."
Why are some products and ideas talked about more than others? Why do some articles make the most emailed list? Why do some YouTube videos go viral? Word-of-mouth. Whether through face-to-face conversations, emails from friends, or online product reviews, the information and opinions we get from others have a strong impact on our own behaviour. Indeed, word-of-mouth generates more than two times the sales of paid advertising and is the primary factor behind 20-50% of all purchasing decisions.It is between 8.5 and 30 times more effective than traditional media.But want to know the best thing about word-of-mouth? It's available to everyone.Whether you're a Fortune 500 company trying to increase sales, a corner restaurant trying to raise awareness, a non-profit trying to fight obesity, or a newbie politician running for city council, word-of-mouth can help you succeed. And you don't have to have millions of dollars to spend on an advertising budget. You just have to get people to talk.The challenge, though, is how to do that. This book will show you how.
Dive into captivating book discussions with our expert hosts
Jonah Berger is a renowned author and marketing professor at the Wharton School of the University of Pennsylvania. He specializes in the study of social influence, word-of-mouth marketing, and the factors that drive products and ideas to become popular. Berger is best known for his bestselling books, including "Contagious: How to Build Word of Mouth in the Digital Age" and "Invisible Influence: The Hidden Forces that Shape Behavior." Through his research and engaging writing, he explores the dynamics of how and why things catch on, offering valuable insights for marketers and entrepreneurs alike. In addition to his academic work, Berger is a sought-after speaker and consultant, sharing his expertise with organizations around the world.
Key information about the book.
Support local bookstores: BookShop gives a portion of each sale to independent bookshops!
Chris Dixon is a notable venture capitalist and technology entrepreneur, best known for his influential role as a general partner at Andreessen Horowitz, where he leads investments in cryptocurrency and blockchain technology. Before joining the firm, Dixon co-founded two startups: SiteAdvisor, a web security company acquired by McAfee, and Hunch, a recommendation engine acquired by eBay. In addition to his investment career, Dixon is a prolific writer and thought leader on technology and innovation, contributing insightful essays and articles to various platforms such as his personal blog and Medium. His writings often explore the future of technology, the internet, and the impact of blockchain, making significant contributions to contemporary tech literature. Dixon's work has earned him recognition as a visionary in both the tech and literary worlds.
View CollectionVinod Khosla is an Indian-American venture capitalist and co-founder of Sun Microsystems, one of the companies that helped drive the development of the internet. Khosla is the founder of Khosla Ventures, a venture capital firm that focuses on early-stage investments in technology and energy. He is known for his bold approach to investing, often backing companies working on breakthrough technologies in areas like renewable energy, healthcare, and artificial intelligence. Khosla is a vocal advocate for using technology to solve some of the world’s biggest problems. His visionary approach to investing has made him one of the most influential figures in Silicon Valley.
View CollectionAnn Handley is a renowned digital marketing pioneer and a Wall Street Journal bestselling author. She is the author of "Everybody Writes," a seminal guide on creating compelling content, and co-author of "Content Rules," which outlines effective content marketing strategies. As the Chief Content Officer at MarketingProfs, she has significantly influenced modern marketing practices. Handley is also a highly sought-after keynote speaker, known for her insights on digital content and marketing trends. Her work has empowered countless marketers to elevate their content creation and strategy efforts.
View CollectionJessica Alba is an American actress, entrepreneur, and founder of The Honest Company, a consumer goods company focused on eco-friendly and non-toxic products. Alba gained fame as an actress, starring in films like Fantastic Four and Sin City, but has since transitioned into business, building Honest into a successful brand known for its commitment to sustainability and transparency. In addition to her business ventures, Alba is involved in philanthropy, particularly in areas related to children's health and environmental causes. Her work as an actress and entrepreneur has made her a role model for women in business.
View CollectionAndrew Chen is a venture capitalist, entrepreneur, and thought leader in growth marketing, currently serving as a general partner at Andreessen Horowitz. Chen is known for his expertise in network effects, viral growth strategies, and marketplace dynamics, making him a sought-after advisor for startups looking to scale. Prior to joining Andreessen Horowitz, he worked in leadership roles at Uber, helping to grow the ride-sharing platform’s user base and develop key growth strategies. Chen is also a prolific writer, sharing his insights on growth, technology, and startups through his popular blog and newsletter, which has attracted a loyal following in the tech community. His work has helped shape how many startups approach user acquisition, retention, and product-market fit. As a venture capitalist, Chen focuses on early-stage companies in the consumer internet, SaaS, and marketplace sectors, and he has been involved in funding and advising several successful startups. His insights on technology and growth continue to influence both founders and investors alike.
View CollectionReid Hoffman is an influential American entrepreneur, venture capitalist, and author, best known as the co-founder of LinkedIn, the professional networking platform that transformed online professional interactions. Hoffman has significantly impacted the business world through his investments in notable tech companies like Airbnb, Facebook, and Zynga. As an author, he has co-written several acclaimed books, including "The Start-Up of You" and "Blitzscaling," which provide strategic insights into career development and business growth. His works are celebrated for their practical advice and have become essential reading for aspiring entrepreneurs and business leaders. Hoffman's contributions extend beyond his literary efforts, as he remains a prominent figure in Silicon Valley, shaping the future of technology and innovation.
View CollectionNat Eliason is an influential writer, entrepreneur, and educator known for his insightful work on personal growth, productivity, and digital marketing. He founded Growth Machine, a successful SEO and content marketing agency that has helped numerous companies expand their online presence. Eliason's thought-provoking articles on his blog cover a wide range of topics, from philosophy to health, attracting a large and engaged audience. Additionally, he authored "Effortless Output with Roam," a comprehensive guide on using the Roam Research tool for knowledge management. Through his diverse contributions, Eliason has established himself as a significant voice in the realms of self-improvement and digital strategy.
View CollectionRyan Hoover is the founder of Product Hunt, a popular platform where users discover and share new tech products, apps, and tools. Hoover started Product Hunt as a side project, which quickly grew into a thriving community for tech enthusiasts and entrepreneurs. The platform has helped launch countless startups and has become an essential resource for finding innovative products. In addition to Product Hunt, Hoover is an investor and writer, often sharing insights on startup culture and product development. His work has made him a key figure in the tech and startup ecosystems.
View CollectionSheryl Sandberg is the COO of Meta (formerly Facebook) and the author of the bestselling book Lean In, which encourages women to pursue leadership roles and create gender equality in the workplace. She is a prominent advocate for women’s rights, particularly in corporate environments, and has launched initiatives to support women’s empowerment globally. Sheryl’s leadership at Facebook helped the company grow into one of the world’s largest social media platforms. She is also the founder of LeanIn.Org, a nonprofit dedicated to empowering women.
View CollectionEv Williams is an American entrepreneur, best known as the co-founder of Twitter and Medium. Williams has a long history in the tech industry, having co-founded Blogger, one of the first blogging platforms, which was later acquired by Google. His work has significantly shaped online communication, giving people platforms to share their thoughts and ideas globally. Williams’ focus on simplicity and user experience has been a hallmark of his career. He continues to lead Medium, a platform that champions quality content and thoughtful discourse.
View CollectionHugh Jackman, better known for his illustrious acting career, has made significant contributions to literature through his co-authorship of the popular children's book series, "The School of Life." Born in Sydney, Australia, Jackman has seamlessly transitioned from stage and screen to the literary world, captivating young readers with his imaginative storytelling. His work in literature reflects his versatility and dedication to inspiring and educating children. Alongside his wife, Deborra-Lee Furness, Jackman has also been involved in various philanthropic efforts, promoting literacy and education globally. Despite his Hollywood fame, Jackman's contributions to literature highlight his commitment to nurturing young minds.
View CollectionBrendon Burchard is a high-performance coach, motivational speaker, and bestselling author, best known for his books High Performance Habits and The Motivation Manifesto. He helps individuals and organizations achieve peak performance through strategies focused on clarity, energy, and productivity. Brendon’s work emphasizes the importance of personal growth and developing habits that lead to sustained success. He has coached Fortune 500 CEOs, Olympians, and other high-achieving individuals. Brendon is also the founder of the High Performance Academy, where he trains people to lead more impactful and successful lives.
View CollectionAli Abdaal is a renowned productivity expert, author, and YouTuber known for his engaging content on personal development and effective study techniques. A former doctor, Abdaal transitioned from his medical career to focus on sharing insights through his popular YouTube channel, which has amassed millions of subscribers. He is the author of "YouTube for Doctors," where he explores the intersection of medicine and digital content creation. Abdaal's work is celebrated for its practical advice, blending scientific research with personal anecdotes to help individuals optimize their lives. His contributions have significantly influenced the productivity and self-improvement community, making him a respected voice in the field.
View CollectionAlex Hormozi is a celebrated entrepreneur, author, and founder of Acquisition.com, a company dedicated to helping businesses scale efficiently. He gained prominence with his best-selling book "Gym Launch Secrets," which provides a blueprint for fitness entrepreneurs to grow their businesses. Hormozi is also known for "The Million Dollar Offers" book, where he shares strategies on creating irresistible offers that drive sales. His work has significantly impacted the business community, providing practical insights and actionable advice for entrepreneurs. Through his books and business ventures, Hormozi continues to inspire and guide countless individuals on their journey to success.
View CollectionJohn D. Saunders is an accomplished digital marketing strategist and author known for his insightful works on entrepreneurship and business growth. With a sharp focus on leveraging digital tools to enhance business performance, Saunders has penned several influential books that have helped countless entrepreneurs streamline their operations and scale efficiently. His notable work includes "The Blockbuster Blueprint," a comprehensive guide on digital marketing strategies. Beyond writing, Saunders is a sought-after speaker, sharing his expertise at numerous industry conferences and workshops. His contributions extend to his role as the founder of 5Four Digital, where he continues to innovate and drive forward-thinking marketing solutions.
View CollectionJustin Kan is an entrepreneur and author best known for co-founding the live video platforms Justin.tv and Twitch, the latter of which was acquired by Amazon for nearly a billion dollars. He has significantly impacted the tech industry with his ventures in live streaming and gaming. Kan has also shared his entrepreneurial journey and insights through various articles and public speaking engagements, inspiring a new generation of tech innovators. His contributions to literature include writing about startups, technology, and personal development. Additionally, Kan co-founded Atrium, a legal tech company, further showcasing his diverse entrepreneurial expertise.
View CollectionTim Urban is an acclaimed writer and the co-founder of the popular blog Wait But Why, known for its deep dives into complex topics like artificial intelligence, procrastination, and the future of humanity. He is celebrated for his ability to distill complicated subjects into engaging and accessible narratives, often accompanied by quirky illustrations. Urban's TED Talk on procrastination has garnered millions of views, further cementing his reputation as a thought leader. His writing has attracted a dedicated following and has been praised for its blend of humor and insight. In addition to his blog, Urban is working on a highly anticipated book that promises to delve even deeper into the topics his readers love.
View CollectionChase Jarvis is an American photographer, entrepreneur, and founder of CreativeLive, an online education platform for creatives. He is known for his work in adventure and action sports photography, collaborating with major brands like Apple and Nike. Jarvis is also the author of Creative Calling, where he encourages individuals to tap into their creative potential. His platform, CreativeLive, has provided free and premium education to millions of people around the world. Jarvis is a vocal advocate for creativity as a means of personal and professional growth.
View CollectionArianna Huffington is the founder of The Huffington Post and Thrive Global, a company focused on wellness and productivity. She is a bestselling author and prominent speaker on the importance of sleep and managing stress. Arianna’s work emphasizes the importance of balance between professional success and personal well-being. Her book The Sleep Revolution has inspired a global movement to prioritize rest. She is considered one of the most influential women in media and business.
View CollectionTony Hsieh was an innovative entrepreneur best known for his role as the CEO of Zappos, where he revolutionized online retail through a strong emphasis on company culture and customer service. Born on December 12, 1973, in Illinois, Hsieh graduated from Harvard University with a degree in computer science. He co-founded LinkExchange, which he sold to Microsoft for $265 million, before joining Zappos. Hsieh authored the best-selling book "Delivering Happiness" in 2010, outlining his business philosophy and insights into creating a positive workplace culture. His work has left a lasting impact on both the business world and the literature on corporate management and entrepreneurship.
View Collection“People don’t just share information; they share emotions.”
Contagious
By Jonah Berger
Discover a world of knowledge through our extensive collection of book summaries.