Viral marketing is any marketing method that encourages sharing of the marketing message from one internet user to another. The viral (sharing) aspect has many benefits including virtually free and exponential exposure of the company and their message to a large and vast audience.
The Emotional Link
Research published on Harvard Business Review found that there is a strong link between the positive emotions that a piece of content provokes and the viral success of the content.
Based on the study’s results, it appears that the 10 emotions that resulted in the most successful viral response to the campaign were: