Subscriptions allow you to keep track of, and be notified via e-mail, specific types of content throughout the community.

• Quick access to the content you’ve subscribed to is found through the Subscriptions link at the very top of every page, as well as from within your member profile.
• You can subscribe to receive e-mail notifications any time new content is posted, and additionally any time a new comment is added to an existing content post.
  

Just look for the little Subscribe icon alongside content titles, and use that to set your subscription preferences.