Navigate to the Menu and click on Discussions.
Click on the title of the discussion you'd like to follow.
Click the Follow button on the right-hand side.
The button will change to Following and you will now be following the discussion.
Navigate to the Menu and click on Discussions.
Click on the title of the discussion you'd like to follow.
Click the Follow button on the right-hand side.
The button will change to Following and you will now be following the discussion.