Viral Marketing is any from of marketing and/or communication that spreads like a virus and is passed on from customer to customer, and market to market.
The use of internet (particularly social networking sites) increases the speed and geographic coverage of these communications. (Kotler, 2016).
- Kotler, P., Keller, M., Goodman, T. and Hansen, T. (2016) Marketing Management. 3rd edition. pp.899