Viral marketing is a business strategy that uses social media to promote products or services. It refers to how consumers spread information about a product to people in their social networks. Viral marketing is a sales technique that involves word-of-mouth information about a product or service to increase customers. Information is spread through different social media platforms.
Pros :
* Wider reach
* Faster and exponential growth
* Lower costs
Cons :
* Negative word-of-mouth
* Hard to measure
* Low virality
