When viewing an article, the section can be found using the breadcrumbs
Click on the [Follow] button.
When the button is pressed, the button turns green. Chose to either follow "New articles" or "New articles and comments".
The green [Following] button appears when the user follows the section. Followers will be notified via email whenever a new article is added or when a new article is added and when comments are added to existing articles.
To unfollow, click the button and select "Unfollow".