Followed topics:
Users can follow particular topics and find new material in the same category.
To follow a particular topic, go to the Topics page:
Click on the Follow button
After that, your followed topics can be reached by clicking on the Followed Topics button on the home page
The Followed Topics can be shown.
The most recent questions in these categories can be shown.
Users can unfollow categories by clicking on the Unfollow button.
