Answer:
Viral Marketing
Step-by-step explanation:
Viral marketing is the use of every possible medium to promote a product. This medium includes but not limited to the use of newsletters , billboards, hand bills , social media , e books and internet.
The aim is to leverage on the social and networking media to extend the coverage of advertisements of goods and services.
Despite its advantages in coverage and cost , disadvantages include spam threats and loss of the power of brands