Answer: Netnography
Step-by-step explanation:
The Netnography is one of the type of systematic online research system that practicing in the collection of various types of data analysis, representation and the research ethics.
According to the given question, the Netnography is monitoring the various types personal websites, chat rooms and the blogs for assess the customer opinions about the various types of products ad the services.
Therefore, Netnography is the correct answer.