Yes! Following sections or specific articles of interest to you is a great way to keep up to date with news and changes that happen with that product or feature.
If you decide to follow a section, you will be sent an email notification whenever a new article is added to that section. If you decide to follow an article, you will be sent a notification whenever anyone adds a comment to that article or any changes have been made to it.
To follow the section or article, simply click on the button labelled Follow beside the title of the section or article.