Depending on your Notifications settings, you should receive email whenever there's activity on an item you're following.
You can also check on your followed items through your profile page.
Click your user icon at the top of the page and select Profile.
Click My Subscriptions.
To stop following an item, click the Following button for the item. When you hover over the button, it changes to Unfollow. After you click it, the button changes back to Follow.For any category except Forums, you can click on an item in the list to go to that item. For example, clicking a topic tag displays a list of posts with that tag.