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- September 2022 (Revised November 2023)
- Case
Wordle
After sourdough bread, countertop chive gardens, and vaccine selfies came a pandemic-era trend that everyone seemed to be in on: one daily chance to guess a five-letter word and crow about your success on social media via little green and yellow squares. From a... View Details
- January 2021 (Revised August 2021)
- Case
ByteDance: TikTok and the Trials of Going Viral
By: William C. Kirby and John P. McHugh
In 2020, TikTok became the most valuable start-up ever. The short-form, video-sharing social media platform emerged as the crown jewel of the Chinese technology firm ByteDance, realizing 850 million monthly users and an estimated worth of $180 billion. However, a... View Details
Keywords: China; Technology; Startup; Start-up; International Strategy; Global Strategy And Leadership; Innovation; Political Risk; Regulations; Trump; Foreign Policy; Foreign Investment; Chinese Internet Market; Global Strategy; Crisis Management; Risk and Uncertainty; Entrepreneurship; Globalized Economies and Regions; Government Legislation; Innovation and Management; Governing Rules, Regulations, and Reforms; Internet and the Web; Social Media; Technology Industry; China; United States
Kirby, William C., and John P. McHugh. "ByteDance: TikTok and the Trials of Going Viral." Harvard Business School Case 321-110, January 2021. (Revised August 2021.)
- 30 Jul 2020
- Interview
Viral Marketing and Truth with Jeffrey Rayport
By: Jeffrey F. Rayport, Tim Love and Rick Tocquigny
"Viral Marketing and Truth with Jeffrey Rayport." Tim Love's Discovering Truth Podcast, July 30, 2020.
- 3 Jul 2017
- Interview
Marketing Viral com Jeffrey Rayport
By: Jeffrey F. Rayport and Pedro Pinto
"Marketing Viral com Jeffrey Rayport." Ajuste de Contas (Television program), Lisbon, Portugal, July 3, 2017.
- October 2016
- Case
Triangulate: Stay, Pivot or Exit?
By: Thomas Eisenmann, Shikhar Ghosh and Christopher Payton
Sunil Nagaraj, Triangulate's founder had spent a few years trying to launch a dating application that matched users based on their behavior on social media. Based on input from advisors, the company changed its focus from a B2B site to a B2C dating site with a unique... View Details
Keywords: Early Stage; Pivot; Two Sided Markets; Business Model; Business Exit or Shutdown; Product Launch; Venture Capital; Failure; Internet and the Web; Entrepreneurship; Information Technology; Social and Collaborative Networks; United States; North America
Eisenmann, Thomas, Shikhar Ghosh, and Christopher Payton. "Triangulate: Stay, Pivot or Exit?" Harvard Business School Case 817-059, October 2016.
- 2015
- Other Unpublished Work
Viral Videos: The Dynamics of Online Video Advertising Campaigns
By: Lingling Zhang, Clarence Lee and Anita Elberse
- January 2014 (Revised June 2014)
- Case
Dumb Ways To Die: Advertising Train Safety (A)
By: John Quelch
The case series focuses on Melbourne Trains' viral advertising campaign to improve safe behaviors around trains among young people. This iconic, low budget campaign swept the Cannes Lions advertising awards in 2013 and became a social media sensation. View Details
Keywords: Viral Marketing; Advertising; Marketing Communications; Social Marketing; Digital Marketing; Advertising Industry; Media and Broadcasting Industry; Public Administration Industry; Oceania; Europe
Quelch, John. "Dumb Ways To Die: Advertising Train Safety (A)." Harvard Business School Case 514-079, January 2014. (Revised June 2014.)
- January 2014
- Teaching Note
Dumb Ways To Die: Advertising Train Safety (A), (B) & (C)
By: John Quelch
- January 2014 (Revised June 2014)
- Supplement
Dumb Ways To Die: Advertising Train Safety (B)
By: John Quelch
The case series focuses on Melbourne Trains' viral advertising campaign to improve safe behaviors around trains among young people. This iconic, low budget campaign swept the Cannes Lions advertising awards in 2013 and became a social media sensation. View Details
Keywords: Marketing Channels; Marketing Communication; Viral Advertising; Advertising; Advertising Campaigns; Public Sector; Marketing Communications; Marketing Strategy; Digital Marketing; Advertising Industry; Public Administration Industry; Media and Broadcasting Industry; Oceania; Europe
Quelch, John. "Dumb Ways To Die: Advertising Train Safety (B)." Harvard Business School Supplement 514-080, January 2014. (Revised June 2014.)
- January 2014 (Revised June 2014)
- Supplement
Dumb Ways To Die: Advertising Train Safety (C)
By: John Quelch
The case series focuses on Melbourne Trains' viral advertising campaign to improve safe behaviors around trains among young people. This iconic, low budget campaign swept the Cannes Lions advertising awards in 2013 and became a social media sensation. View Details
Keywords: Marketing; Marketing Communication; Viral Advertising; Advertising; Advertising Campaigns; Marketing Strategy; Digital Marketing; Advertising Industry; Public Administration Industry; Transportation Industry; Oceania; Europe
Quelch, John. "Dumb Ways To Die: Advertising Train Safety (C)." Harvard Business School Supplement 514-081, January 2014. (Revised June 2014.)
- 2015
- Working Paper
Online Word of Mouth and Product Review Disagreement
By: Frank Nagle and Christoph Riedl
Studies of online word of mouth have frequently posited―but never systematically conceptualized and explored―that the level of disagreement between existing product reviews can impact the volume and the valence of future reviews. In this study we develop a theoretical... View Details
Keywords: Online Word Of Mouth; Online Communities; Viral Marketing; Online Product Reviews; Quality; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Social and Collaborative Networks; Digital Marketing; Analytics and Data Science
Nagle, Frank, and Christoph Riedl. "Online Word of Mouth and Product Review Disagreement." Harvard Business School Working Paper, No. 13-091, May 2013. (Revised May 2015, selected for AOM Best Paper Proceedings.)
- Jun 2011
- Conference Presentation
Viral Videos: The Dynamics of Online Video Advertising Campaigns
By: Anita Elberse
- May 2011
- Conference Presentation
Viral Videos: The Dynamics of Online Video Advertising Campaigns
By: Anita Elberse
- May 2011 - 2011
- Conference Presentation
Viral Videos: The Dynamics of Online Video Advertising Campaigns
By: Anita Elberse
- February 2011 (Revised November 2013)
- Case
The Cheezburger Network
By: John Deighton and Leora Kornfeld
Cheezburger Network was a Web publisher of humorous, user-contributed content, using social media for dissemination, and selling advertising against the traffic of 1 billion page views per quarter. In January 2011, it raised $30 million in venture capital for the... View Details
Keywords: Budgets and Budgeting; Digital Marketing; Customer Relationship Management; Venture Capital; Emerging Markets; Strategic Planning; Sales; Internet and the Web; Publishing Industry; Web Services Industry
Deighton, John, and Leora Kornfeld. "The Cheezburger Network." Harvard Business School Case 511-091, February 2011. (Revised November 2013.) (request a courtesy copy.)
- January 2010 (Revised August 2011)
- Case
United Breaks Guitars
By: John A. Deighton and Leora Kornfeld
When social media propagate a complaint about poor customer service, an international media event ensues. How do viral videos spread and what can firms do about them? This case dissects an incident in which a disgruntled customer used YouTube and Twitter to spread a... View Details
Keywords: Communication Technology; Customer Satisfaction; Marketing Communications; Marketing Strategy; Consumer Behavior; Network Effects; Service Delivery; Social and Collaborative Networks; Internet; Air Transportation Industry
Deighton, John A., and Leora Kornfeld. "United Breaks Guitars." Harvard Business School Case 510-057, January 2010. (Revised August 2011.) (request a courtesy copy.)
- 2009
- Working Paper
Do Friends Influence Purchases in a Social Network?
By: Raghuram Iyengar, Sangman Han and Sunil Gupta
Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details
Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea
Iyengar, Raghuram, Sangman Han, and Sunil Gupta. "Do Friends Influence Purchases in a Social Network?" Harvard Business School Working Paper, No. 09-123, April 2009.
- December 2004 (Revised October 2005)
- Case
Hasbro Games -- POX (A)
By: David B. Godes and Elie Ofek
Hasbro's newest toy is so unique it requires a unique launch strategy. Comparing traditional media (TV, print) with a non-traditional viral campaign, Matt Collins must weigh the risks and benefits of doing things the way they've always been done or blazing a new path... View Details
Keywords: Risk and Uncertainty; Cost vs Benefits; Marketing Strategy; Advertising Campaigns; Product Launch; Innovation and Invention; Entertainment and Recreation Industry
Godes, David B., and Elie Ofek. "Hasbro Games -- POX (A)." Harvard Business School Case 505-046, December 2004. (Revised October 2005.)
- Teaching Interest
Digital Marketing Strategy
By: John A. Deighton
When the tools of marketing change, strategies change too. The focus of this course is on firms trying to navigate the transition from offline to online market-making and strategy development. Our concern is primarily with corporations that have products and... View Details
- 2015
- Other Teaching and Training Material
Marketing Reading: Digital Marketing
By: Sunil Gupta and Joseph Davin
Digital technology has changed how consumers search for information, interact with each other, and buy products. The popularization of these technologies has made it possible for companies to have a better understanding of their customers' decision journey and... View Details
Keywords: Advertising; Buzz Marketing; Internet Marketing; Marketing; Marketing Management; Social Media; Social Networks; Viral Marketing; Word-of-mouth Marketing; Digital; Internet; Marketing Channels; Marketing Reference Programs; Online Advertising; Advertising Industry
Gupta, Sunil, and Joseph Davin. "Marketing Reading: Digital Marketing." Core Curriculum Readings Series. Boston: Harvard Business Publishing 8224, 2015.