Subscribing to a forum allows you to customize what you see in your user profile screen (user cp). This allows you to go straight to the user cp screen and see just the forums you are interested in (subscribed to) rather than all of the forums on the site.



The number of e-mails that would need to be mailed to subscribers of forums could quickly get unmanageable if they were sent to everyone subscribed to a forum. When a new thread or new post was made, it could result in thousands of e-mails needing to be sent. In primary forums, this could result in thousands of e-mails needing to be sent every few minutes.....