Answer:
The correct answer is consumer- generating marketing,option B
Explanation:
Consumer-generating marketing is powerful marketing tool used in generating more sales in such a way that the products are marketed using existing customers' content such as product reviews and feedback to reach to more customers with aid of advancement in information technology.
Most companies have social media pages online, where they engage existing customers in order that new prospects can also be reached with least possible costs implication overall,in other words,customer acquisition cost is kept low.