Viral marketing

Viral marketing is a technique used to rapidly grow awareness of a brand or campaign where a viral asset is amplified using digital word-of-mouth, i.e. sharing on social media, email and forums. It is often boosted by featuring in traditional broadcast media.

People often think of ‘viral videos’ as the assets, but viral amplification can be simpler. For example, Hotmail, originally grew rapidly based on the signature in the footer of each mail recommending it to other contacts of its early adopters.

One of the best-known video examples is this, which has 25 million views and launched a startup, which went on to compete with major players in the sector:

In WNIM Episode 3, Ritchie Mehta recommended how Kevin Allocca, Trends Manager at YouTube, hosted a talk on TED Talks, outlining the reasons videos go viral.

He outlines three major factors that contribute to a viral video:

  • Tastemakers: essentially, this means people with an audience pick up on a video and spread the word.  This article summarizing the talk explains how “Double Rainbow”, a video posted months prior to going viral, went viral after a Tweet from Jimmy Kimmel. So, A tastemaker is someone who commands a large following; they mention it, post about it, Tweet it or otherwise bring attention to the video.
  • Communities of participation: community participation is how we become part of the phenomenon, either by spreading it or doing something new with it. Many videos inspire a myriad of parodies, remixes and copycats. This changes it from just static entertainment, to something people can be a part of through active participation. Rebecca Black’s music video, “Friday” went viral and within the first week there were parodies for every other day of the week.
  • Unexpectedness: only videos that are truly unique and unexpected will be interesting enough to go viral. The ordinary doesn’t catch on; things that are surprising and/or humorous just might.

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Welcome to my personal site where I blog about the latest developments in digital business to help students, professionals or lecturers using my books in their studies or careers.

I also write about assistive technology to help others teaching the visually impaired as part of my volunteering work for charity AbilityNet.

My latest books

Full details on Amazon:

Digital Marketing: Strategy, Implementation and Practice, 9th Edition, published 2025.

With Fiona Ellis-Chadwick and Majd AbedRabbo.

Used by: Undergraduate and post-graduate degree marketing students. Senior marketing professionals, e.g. marketing managers and directors.

Digital Marketing Excellence
6th edition

About Smart Insights

Dave Chaffey is lead author of several bestselling digital marketing books including Digital Marketing: Strategy Implementation and Practice, Digital Business Management and Digital Marketing Excellence. These are based on my 3 decades experience on digital marketing consulting and training work includin

This site is my personal blog which has ideas to help students, professionals or lecturers using my textbooks in their studies or careers. I recommend taking a look at the Digital Marketing Book Support pages on this site