Followers on Twitter are the registered followers of the Twitter service. A transient participant of Twitter becomes a follower when he reads a piece of information and registers by pressing the follower button and thus wishes to receive the Twitter messages of the corresponding user on a regular basis.
The term follower is also used in other Internet services in social networks. For example, in the case of influencers. This always refers to users who follow other users. In other services such as Facebook and YouTube, they are called subscribers.
In the services, the followers or subscribers are sent tweets from the subscribed user. The tweets are timed as feeds and are displayed on the screen in such a way that the most recent tweet appears first, followed by the tweets received earlier in time. The followers can forward the tweets to other subscribers, this is called re-tweeting, who can also become followers.