Answer:
The correct answer to the following question will be "Web tracking".
Explanation:
This is indeed a business operation to keep an eye on the subscribers or visitors to the business. So what web trackers do is much more than that. They check up on your web activity.
A tracker generally seems to be a database script programmed to extract sets of data on your interests and how you are when you communicate through their database.
There are four types of Web trackers such as: